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122111100002 = 2317177274423
BaseRepresentation
bin111000110111001100…
…0111000010001100010
3102200012010120121021102
41301232120320101202
54000040420200002
6132032544354402
711552012136623
oct1615630702142
9380163517242
10122111100002
1147872594871
121b7ba915a02
13b690690678
145ca5881a4a
15329a4b1a02
hex1c6e638462

122111100002 has 16 divisors (see below), whose sum is σ = 189102285312. Its totient is φ = 59077568160.

The previous prime is 122111099987. The next prime is 122111100029. The reversal of 122111100002 is 200001111221.

It is a super-2 number, since 2×1221111000022 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307763 + ... + 582185.

It is an arithmetic number, because the mean of its divisors is an integer number (11818892832).

Almost surely, 2122111100002 is an apocalyptic number.

122111100002 is a deficient number, since it is larger than the sum of its proper divisors (66991185310).

122111100002 is a wasteful number, since it uses less digits than its factorization.

122111100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281633.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122111100002 its reverse (200001111221), we get a palindrome (322112211223).

The spelling of 122111100002 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred thousand, two".

Divisors: 1 2 31 62 7177 14354 222487 274423 444974 548846 8507113 17014226 1969533871 3939067742 61055550001 122111100002