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122222122021101 = 3131310997765957
BaseRepresentation
bin11011110010100100001110…
…001010101011000011101101
3121000202022122211101200100210
4123302210032022223003231
5112004441401214133401
61111540022343413033
734513154056544454
oct3362441612530355
9530668584350323
10122222122021101
1135a42124614063
121185b571454179
13532765c1b600b
142227821a65b9b
15e1e427c8a4d6
hex6f290e2ab0ed

122222122021101 has 8 divisors (see below), whose sum is σ = 164206820425824. Its totient is φ = 80859419148560.

The previous prime is 122222122021079. The next prime is 122222122021157. The reversal of 122222122021101 is 101120221222221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122222122021101 - 213 = 122222122012909 is a prime.

It is a super-2 number, since 2×1222221220211012 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222122021171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155498882586 + ... + 155498883371.

It is an arithmetic number, because the mean of its divisors is an integer number (20525852553228).

Almost surely, 2122222122021101 is an apocalyptic number.

It is an amenable number.

122222122021101 is a deficient number, since it is larger than the sum of its proper divisors (41984698404723).

122222122021101 is a wasteful number, since it uses less digits than its factorization.

122222122021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310997766091.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122222122021101 its reverse (101120221222221), we get a palindrome (223342343243322).

The spelling of 122222122021101 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty-two million, twenty-one thousand, one hundred one".

Divisors: 1 3 131 393 310997765957 932993297871 40740707340367 122222122021101