212020001022111 has 16 divisors (see below), whose sum is σ = 291863340254208. Its totient is φ = 136763254123200.

The previous prime is 212020001022083. The next prime is 212020001022113. The reversal of 212020001022111 is 111220100020212.

It is not a de Polignac number, because 212020001022111 - 2¹⁴ = 212020001005727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020001022113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198157845 + ... + 199224926.

It is an arithmetic number, because the mean of its divisors is an integer number (18241458765888).

Almost surely, 2^{212020001022111} is an apocalyptic number.

212020001022111 is a deficient number, since it is larger than the sum of its proper divisors (79843339232097).

212020001022111 is a wasteful number, since it uses less digits than its factorization.

212020001022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397388542.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212020001022111 its reverse (111220100020212), we get a palindrome (323240101042323).

The spelling of 212020001022111 in words is "two hundred twelve trillion, twenty billion, one million, twenty-two thousand, one hundred eleven".