212021113011 has 16 divisors (see below), whose sum is σ = 287360634528. Its totient is φ = 139015008000.

The previous prime is 212021112997. The next prime is 212021113021. The reversal of 212021113011 is 110311120212.

It is not a de Polignac number, because 212021113011 - 2⁷ = 212021112883 is a prime.

It is a super-2 number, since 2×212021113011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212021113021) 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, 1753375 + ... + 1870391.

It is an arithmetic number, because the mean of its divisors is an integer number (17960039658).

Almost surely, 2^212021113011 is an apocalyptic number.

212021113011 is a deficient number, since it is larger than the sum of its proper divisors (75339521517).

212021113011 is a wasteful number, since it uses less digits than its factorization.

212021113011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126982.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 212021113011 its reverse (110311120212), we get a palindrome (322332233223).

The spelling of 212021113011 in words is "two hundred twelve billion, twenty-one million, one hundred thirteen thousand, eleven".