20101211001022 has 16 divisors (see below), whose sum is σ = 31802358960000. Its totient is φ = 9502544839320.

The previous prime is 20101211001019. The next prime is 20101211001023. The reversal of 20101211001022 is 22010011210102.

It is a junction number, because it is equal to n+sod(n) for n = 20101211000993 and 20101211001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101211001023) 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, 530020354 + ... + 530058277.

It is an arithmetic number, because the mean of its divisors is an integer number (1987647435000).

Almost surely, 2^{20101211001022} is an apocalyptic number.

20101211001022 is a deficient number, since it is larger than the sum of its proper divisors (11701147958978).

20101211001022 is a wasteful number, since it uses less digits than its factorization.

20101211001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060079151.

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

Adding to 20101211001022 its reverse (22010011210102), we get a palindrome (42111222211124).

The spelling of 20101211001022 in words is "twenty trillion, one hundred one billion, two hundred eleven million, one thousand, twenty-two".