20101201012022 has 16 divisors (see below), whose sum is σ = 32477054621760. Its totient is φ = 9275796316992.

The previous prime is 20101201011989. The next prime is 20101201012027. The reversal of 20101201012022 is 22021010210102.

It is a junction number, because it is equal to n+sod(n) for n = 20101201011988 and 20101201012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101201012027) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 69898463 + ... + 70185450.

It is an arithmetic number, because the mean of its divisors is an integer number (2029815913860).

Almost surely, 2^{20101201012022} is an apocalyptic number.

20101201012022 is a deficient number, since it is larger than the sum of its proper divisors (12375853609738).

20101201012022 is a wasteful number, since it uses less digits than its factorization.

20101201012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140089447.

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

Adding to 20101201012022 its reverse (22021010210102), we get a palindrome (42122211222124).

The spelling of 20101201012022 in words is "twenty trillion, one hundred one billion, two hundred one million, twelve thousand, twenty-two".