213011211010 has 32 divisors (see below), whose sum is σ = 416165363712. Its totient is φ = 78030993600.

The previous prime is 213011210989. The next prime is 213011211043. The reversal of 213011211010 is 10112110312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6434466 + ... + 6467485.

It is an arithmetic number, because the mean of its divisors is an integer number (13005167616).

Almost surely, 2^213011211010 is an apocalyptic number.

213011211010 is a deficient number, since it is larger than the sum of its proper divisors (203154152702).

213011211010 is a wasteful number, since it uses less digits than its factorization.

213011211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12902098.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 213011211010 its reverse (10112110312), we get a palindrome (223123321322).

The spelling of 213011211010 in words is "two hundred thirteen billion, eleven million, two hundred eleven thousand, ten".