2212122101021 has 8 divisors (see below), whose sum is σ = 2615316769920. Its totient is φ = 1830721738608.

The previous prime is 2212122101011. The next prime is 2212122101023. The reversal of 2212122101021 is 1201012212122.

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

It is not a de Polignac number, because 2212122101021 - 2²⁶ = 2212054992157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212122101023) 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, 5448576401 + ... + 5448576806.

It is an arithmetic number, because the mean of its divisors is an integer number (326914596240).

Almost surely, 2^{2212122101021} is an apocalyptic number.

It is an amenable number.

2212122101021 is a deficient number, since it is larger than the sum of its proper divisors (403194668899).

2212122101021 is a wasteful number, since it uses less digits than its factorization.

2212122101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10897153243.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2212122101021 its reverse (1201012212122), we get a palindrome (3413134313143).

The spelling of 2212122101021 in words is "two trillion, two hundred twelve billion, one hundred twenty-two million, one hundred one thousand, twenty-one".