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122111102113 = 711131011816673
BaseRepresentation
bin111000110111001100…
…0111000110010100001
3102200012010120201011121
41301232120320302201
54000040420231423
6132032544412241
711552012146030
oct1615630706241
9380163521147
10122111102113
1147872596410
121b7ba917081
13b690691610
145ca5882717
15329a4b245d
hex1c6e638ca1

122111102113 has 64 divisors (see below), whose sum is σ = 166516406784. Its totient is φ = 86469120000.

The previous prime is 122111102089. The next prime is 122111102149. The reversal of 122111102113 is 311201111221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122111102113 - 29 = 122111101601 is a prime.

It is a super-2 number, since 2×1221111021132 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122111103113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18295945 + ... + 18302617.

It is an arithmetic number, because the mean of its divisors is an integer number (2601818856).

Almost surely, 2122111102113 is an apocalyptic number.

122111102113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122111102113 is a deficient number, since it is larger than the sum of its proper divisors (44405304671).

122111102113 is a wasteful number, since it uses less digits than its factorization.

122111102113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 122111102113 its reverse (311201111221), we get a palindrome (433312213334).

The spelling of 122111102113 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred two thousand, one hundred thirteen".

Divisors: 1 7 11 13 77 91 101 143 181 707 1001 1111 1267 1313 1991 2353 6673 7777 9191 13937 14443 16471 18281 25883 46711 73403 86749 101101 127967 181181 201091 237653 513821 607243 673973 954239 1207813 1407637 1663571 2614183 4717811 6679673 7413703 8454691 8761649 13285943 15701569 18299281 51895921 61331543 93001601 96378139 109910983 121989113 172717259 674646973 853923791 1209020813 1341880243 1585858469 9393161701 11101009283 17444443159 122111102113