213013311011121 has 64 divisors (see below), whose sum is σ = 298094719795200. Its totient is φ = 135141200409600.

The previous prime is 213013311011117. The next prime is 213013311011131. The reversal of 213013311011121 is 121110113310312.

It is not a de Polignac number, because 213013311011121 - 2² = 213013311011117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213013311011131) 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, 8234931630 + ... + 8234957496.

It is an arithmetic number, because the mean of its divisors is an integer number (4657729996800).

Almost surely, 2^{213013311011121} is an apocalyptic number.

It is an amenable number.

213013311011121 is a deficient number, since it is larger than the sum of its proper divisors (85081408784079).

213013311011121 is a wasteful number, since it uses less digits than its factorization.

213013311011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31390.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 213013311011121 its reverse (121110113310312), we get a palindrome (334123424321433).

The spelling of 213013311011121 in words is "two hundred thirteen trillion, thirteen billion, three hundred eleven million, eleven thousand, one hundred twenty-one".