212200210111021 has 8 divisors (see below), whose sum is σ = 232326846386784. Its totient is φ = 192212858515920.

The previous prime is 212200210110997. The next prime is 212200210111073. The reversal of 212200210111021 is 120111012002212.

212200210111021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212200210111021 - 2²⁷ = 212200075893293 is a prime.

It is a super-2 number, since 2×212200210111021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212200210110986 and 212200210111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212200210111091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34821166975 + ... + 34821173068.

It is an arithmetic number, because the mean of its divisors is an integer number (29040855798348).

Almost surely, 2^{212200210111021} is an apocalyptic number.

It is an amenable number.

212200210111021 is a deficient number, since it is larger than the sum of its proper divisors (20126636275763).

212200210111021 is a wasteful number, since it uses less digits than its factorization.

212200210111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69642340331.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212200210111021 its reverse (120111012002212), we get a palindrome (332311222113233).

The spelling of 212200210111021 in words is "two hundred twelve trillion, two hundred billion, two hundred ten million, one hundred eleven thousand, twenty-one".