100122012112 has 10 divisors (see below), whose sum is σ = 193986398498. Its totient is φ = 50061006048.

The previous prime is 100122012079. The next prime is 100122012131. The reversal of 100122012112 is 211210221001.

It can be written as a sum of positive squares in only one way, i.e., 81610776976 + 18511235136 = 285676^2 + 136056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100122012092 and 100122012101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3128812863 + ... + 3128812894.

Almost surely, 2^100122012112 is an apocalyptic number.

It is an amenable number.

100122012112 is a deficient number, since it is larger than the sum of its proper divisors (93864386386).

100122012112 is an equidigital number, since it uses as much as digits as its factorization.

100122012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6257625765 (or 6257625759 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100122012112 its reverse (211210221001), we get a palindrome (311332233113).

The spelling of 100122012112 in words is "one hundred billion, one hundred twenty-two million, twelve thousand, one hundred twelve".