2212211011021 has 8 divisors (see below), whose sum is σ = 2414352024288. Its totient is φ = 2010241818000.

The previous prime is 2212211010967. The next prime is 2212211011033. The reversal of 2212211011021 is 1201101122122.

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

It is a cyclic number.

It is not a de Polignac number, because 2212211011021 - 2⁹ = 2212211010509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212211010986 and 2212211011004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212211011081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42928135 + ... + 42979636.

It is an arithmetic number, because the mean of its divisors is an integer number (301794003036).

Almost surely, 2^{2212211011021} is an apocalyptic number.

It is an amenable number.

2212211011021 is a deficient number, since it is larger than the sum of its proper divisors (202141013267).

2212211011021 is a wasteful number, since it uses less digits than its factorization.

2212211011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85910123.

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

Adding to 2212211011021 its reverse (1201101122122), we get a palindrome (3413312133143).

It can be divided in two parts, 221221101 and 1021, that added together give a palindrome (221222122).

The spelling of 2212211011021 in words is "two trillion, two hundred twelve billion, two hundred eleven million, eleven thousand, twenty-one".