212021113001 has 4 divisors (see below), whose sum is σ = 213290700672. Its totient is φ = 210751525332.

The previous prime is 212021112997. The next prime is 212021113021. The reversal of 212021113001 is 100311120212.

212021113001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212021113001 - 2² = 212021112997 is a prime.

It is a super-2 number, since 2×212021113001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021113021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634793585 + ... + 634793918.

It is an arithmetic number, because the mean of its divisors is an integer number (53322675168).

Almost surely, 2^212021113001 is an apocalyptic number.

It is an amenable number.

212021113001 is a deficient number, since it is larger than the sum of its proper divisors (1269587671).

212021113001 is a wasteful number, since it uses less digits than its factorization.

212021113001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269587670.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 212021113001 its reverse (100311120212), we get a palindrome (312332233213).

The spelling of 212021113001 in words is "two hundred twelve billion, twenty-one million, one hundred thirteen thousand, one".