213511015211 has 16 divisors (see below), whose sum is σ = 243496507968. Its totient is φ = 185466316800.

The previous prime is 213511015199. The next prime is 213511015231. The reversal of 213511015211 is 112510115312.

It is a cyclic number.

It is not a de Polignac number, because 213511015211 - 2¹⁸ = 213510753067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213511015231) 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, 1505906 + ... + 1641576.

It is an arithmetic number, because the mean of its divisors is an integer number (15218531748).

Almost surely, 2^213511015211 is an apocalyptic number.

213511015211 is a deficient number, since it is larger than the sum of its proper divisors (29985492757).

213511015211 is a wasteful number, since it uses less digits than its factorization.

213511015211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142822.

The product of its (nonzero) digits is 300, while the sum is 23.

The spelling of 213511015211 in words is "two hundred thirteen billion, five hundred eleven million, fifteen thousand, two hundred eleven".