20101012022 has 32 divisors (see below), whose sum is σ = 37154073600. Its totient is φ = 7942510368.

The previous prime is 20101012003. The next prime is 20101012031. The reversal of 20101012022 is 22021010102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20101011994 and 20101012012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86879 + ... + 218517.

It is an arithmetic number, because the mean of its divisors is an integer number (1161064800).

Almost surely, 2^20101012022 is an apocalyptic number.

20101012022 is a deficient number, since it is larger than the sum of its proper divisors (17053061578).

20101012022 is a wasteful number, since it uses less digits than its factorization.

20101012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132500.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20101012022 its reverse (22021010102), we get a palindrome (42122022124).

The spelling of 20101012022 in words is "twenty billion, one hundred one million, twelve thousand, twenty-two".