21011211112022 has 16 divisors (see below), whose sum is σ = 33107831935200. Its totient is φ = 9981398213952.

The previous prime is 21011211112019. The next prime is 21011211112063. The reversal of 21011211112022 is 22021111211012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532763143 + ... + 1532776850.

It is an arithmetic number, because the mean of its divisors is an integer number (2069239495950).

Almost surely, 2^{21011211112022} is an apocalyptic number.

21011211112022 is a deficient number, since it is larger than the sum of its proper divisors (12096620823178).

21011211112022 is a wasteful number, since it uses less digits than its factorization.

21011211112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065540167.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 21011211112022 its reverse (22021111211012), we get a palindrome (43032322323034).

The spelling of 21011211112022 in words is "twenty-one trillion, eleven billion, two hundred eleven million, one hundred twelve thousand, twenty-two".