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122220022202101 = 1923886331555871
BaseRepresentation
bin11011110010100010010001…
…000000011111111011110101
3121000202010020111012211012201
4123302202101000133323311
5112004423101140431401
61111535034133144501
734513051041433255
oct3362422100377365
9530663214184181
10122220022202101
1135a41247299a5a
121185b08618b131
1353273b615c675
1422276a2c25965
15e1e35375bb01
hex6f289101fef5

122220022202101 has 16 divisors (see below), whose sum is σ = 134261399715840. Its totient is φ = 110740655496240.

The previous prime is 122220022202093. The next prime is 122220022202123. The reversal of 122220022202101 is 101202220022221.

It is a cyclic number.

It is not a de Polignac number, because 122220022202101 - 23 = 122220022202093 is a prime.

It is a super-2 number, since 2×1222200222021012 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220022202141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11904805 + ... + 19651066.

It is an arithmetic number, because the mean of its divisors is an integer number (8391337482240).

Almost surely, 2122220022202101 is an apocalyptic number.

It is an amenable number.

122220022202101 is a deficient number, since it is larger than the sum of its proper divisors (12041377513739).

122220022202101 is a wasteful number, since it uses less digits than its factorization.

122220022202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31564776.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122220022202101 its reverse (101202220022221), we get a palindrome (223422242224322).

The spelling of 122220022202101 in words is "one hundred twenty-two trillion, two hundred twenty billion, twenty-two million, two hundred two thousand, one hundred one".

Divisors: 1 19 23 437 8863 168397 203849 3873131 31555871 599561549 725785033 13789915627 279679684673 5313914008787 6432632747479 122220022202101