101221222101102 has 24 divisors (see below), whose sum is σ = 219374270010480. Its totient is φ = 33730927040160.

The previous prime is 101221222101091. The next prime is 101221222101179. The reversal of 101221222101102 is 201101222122101.

101221222101102 is a `hidden beast` number, since 101 + 221 + 22 + 210 + 110 + 2 = 666.

It is a super-2 number, since 2×101221222101102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 789961399 + ... + 790089522.

It is an arithmetic number, because the mean of its divisors is an integer number (9140594583770).

Almost surely, 2^{101221222101102} is an apocalyptic number.

101221222101102 is an abundant number, since it is smaller than the sum of its proper divisors (118153047909378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101221222101102 is a wasteful number, since it uses less digits than its factorization.

101221222101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580054488 (or 1580054485 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 101221222101102 its reverse (201101222122101), we get a palindrome (302322444223203).

The spelling of 101221222101102 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred one thousand, one hundred two".