100100012222122 has 144 divisors (see below), whose sum is σ = 179699618143584. Its totient is φ = 41766512832000.

The previous prime is 100100012222099. The next prime is 100100012222131. The reversal of 100100012222122 is 221222210001001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100100012222096 and 100100012222105.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 473164693 + ... + 473376199.

It is an arithmetic number, because the mean of its divisors is an integer number (1247914014886).

Almost surely, 2^{100100012222122} is an apocalyptic number.

100100012222122 is a deficient number, since it is larger than the sum of its proper divisors (79599605921462).

100100012222122 is a wasteful number, since it uses less digits than its factorization.

100100012222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211733 (or 211705 counting only the distinct ones).

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

Adding to 100100012222122 its reverse (221222210001001), we get a palindrome (321322222223123).

The spelling of 100100012222122 in words is "one hundred trillion, one hundred billion, twelve million, two hundred twenty-two thousand, one hundred twenty-two".