100210001222122 has 48 divisors (see below), whose sum is σ = 175640146970400. Its totient is φ = 42725378124000.

The previous prime is 100210001222117. The next prime is 100210001222129. The reversal of 100210001222122 is 221222100012001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100210001222096 and 100210001222105.

It is not an unprimeable number, because it can be changed into a prime (100210001222129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107427972 + ... + 108356767.

It is an arithmetic number, because the mean of its divisors is an integer number (3659169728550).

Almost surely, 2^{100210001222122} is an apocalyptic number.

100210001222122 is a deficient number, since it is larger than the sum of its proper divisors (75430145748278).

100210001222122 is a wasteful number, since it uses less digits than its factorization.

100210001222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215784883 (or 215784872 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100210001222122 its reverse (221222100012001), we get a palindrome (321432101234123).

The spelling of 100210001222122 in words is "one hundred trillion, two hundred ten billion, one million, two hundred twenty-two thousand, one hundred twenty-two".