213010020111 has 16 divisors (see below), whose sum is σ = 343680033024. Its totient is φ = 114560010624.

The previous prime is 213010020109. The next prime is 213010020143. The reversal of 213010020111 is 111020010312.

It is not a de Polignac number, because 213010020111 - 2¹ = 213010020109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213010120111) 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, 298333005 + ... + 298333718.

It is an arithmetic number, because the mean of its divisors is an integer number (21480002064).

Almost surely, 2^213010020111 is an apocalyptic number.

213010020111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213010020111 is a deficient number, since it is larger than the sum of its proper divisors (130670012913).

213010020111 is a wasteful number, since it uses less digits than its factorization.

213010020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596666750.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 213010020111 its reverse (111020010312), we get a palindrome (324030030423).

The spelling of 213010020111 in words is "two hundred thirteen billion, ten million, twenty thousand, one hundred eleven".