213020101012111 has 64 divisors (see below), whose sum is σ = 237367081276416. Its totient is φ = 190283415552000.

The previous prime is 213020101012091. The next prime is 213020101012129. The reversal of 213020101012111 is 111210101020312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213020101012111 - 2²⁹ = 213019564141199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213020101019111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2393520465 + ... + 2393609461.

It is an arithmetic number, because the mean of its divisors is an integer number (3708860644944).

Almost surely, 2^{213020101012111} is an apocalyptic number.

213020101012111 is a deficient number, since it is larger than the sum of its proper divisors (24346980264305).

213020101012111 is a wasteful number, since it uses less digits than its factorization.

213020101012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89572.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 213020101012111 its reverse (111210101020312), we get a palindrome (324230202032423).

The spelling of 213020101012111 in words is "two hundred thirteen trillion, twenty billion, one hundred one million, twelve thousand, one hundred eleven".