100121022222122 has 64 divisors (see below), whose sum is σ = 172208270868480. Its totient is φ = 43244257190400.

The previous prime is 100121022222107. The next prime is 100121022222139. The reversal of 100121022222122 is 221222220121001.

It is a junction number, because it is equal to n+sod(n) for n = 100121022222094 and 100121022222103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2443079 + ... + 14360037.

It is an arithmetic number, because the mean of its divisors is an integer number (2690754232320).

Almost surely, 2^{100121022222122} is an apocalyptic number.

100121022222122 is a deficient number, since it is larger than the sum of its proper divisors (72087248646358).

100121022222122 is a wasteful number, since it uses less digits than its factorization.

100121022222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11917227.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 100121022222122 its reverse (221222220121001), we get a palindrome (321343242343123).

The spelling of 100121022222122 in words is "one hundred trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".