2212123132021 has 8 divisors (see below), whose sum is σ = 2413451595744. Its totient is φ = 2010832395120.

The previous prime is 2212123132003. The next prime is 2212123132061. The reversal of 2212123132021 is 1202313212122.

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 2212123132021 - 2¹¹ = 2212123129973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212123131983 and 2212123132001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212123132061) 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, 9309030 + ... + 9543703.

It is an arithmetic number, because the mean of its divisors is an integer number (301681449468).

Almost surely, 2^{2212123132021} is an apocalyptic number.

It is an amenable number.

2212123132021 is a deficient number, since it is larger than the sum of its proper divisors (201328463723).

2212123132021 is a wasteful number, since it uses less digits than its factorization.

2212123132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18863411.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2212123132021 its reverse (1202313212122), we get a palindrome (3414436344143).

The spelling of 2212123132021 in words is "two trillion, two hundred twelve billion, one hundred twenty-three million, one hundred thirty-two thousand, twenty-one".