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122111022201 = 3722453258977
BaseRepresentation
bin111000110111001100…
…0100101010001111001
3102200012010102122112220
41301232120211101321
54000040410202301
6132032542554253
711552011364040
oct1615630452171
9380163378486
10122111022201
1147872541373
121b7ba898989
13b69066412c
145ca5861557
15329a498936
hex1c6e625479

122111022201 has 16 divisors (see below), whose sum is σ = 186082944384. Its totient is φ = 69774349824.

The previous prime is 122111022179. The next prime is 122111022329. The reversal of 122111022201 is 102220111221.

It is not a de Polignac number, because 122111022201 - 25 = 122111022169 is a prime.

It is a super-2 number, since 2×1221110222012 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122111022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342025 + ... + 601001.

It is an arithmetic number, because the mean of its divisors is an integer number (11630184024).

Almost surely, 2122111022201 is an apocalyptic number.

It is an amenable number.

122111022201 is a deficient number, since it is larger than the sum of its proper divisors (63971922183).

122111022201 is a wasteful number, since it uses less digits than its factorization.

122111022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281440.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122111022201 its reverse (102220111221), we get a palindrome (224331133422).

The spelling of 122111022201 in words is "one hundred twenty-two billion, one hundred eleven million, twenty-two thousand, two hundred one".

Divisors: 1 3 7 21 22453 67359 157171 258977 471513 776931 1812839 5438517 5814810581 17444431743 40703674067 122111022201