20102010012122 has 4 divisors (see below), whose sum is σ = 30153015018186. Its totient is φ = 10051005006060.

The previous prime is 20102010012083. The next prime is 20102010012211. The reversal of 20102010012122 is 22121001020102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19257800033641 + 844209978481 = 4388371^2 + 918809^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20102010012097 and 20102010012106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025502503029 + ... + 5025502503032.

Almost surely, 2^{20102010012122} is an apocalyptic number.

20102010012122 is a deficient number, since it is larger than the sum of its proper divisors (10051005006064).

20102010012122 is a wasteful number, since it uses less digits than its factorization.

20102010012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051005006063.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102010012122 its reverse (22121001020102), we get a palindrome (42223011032224).

The spelling of 20102010012122 in words is "twenty trillion, one hundred two billion, ten million, twelve thousand, one hundred twenty-two".