12220010021021 has 16 divisors (see below), whose sum is σ = 14039271682560. Its totient is φ = 10519367327280.

The previous prime is 12220010021003. The next prime is 12220010021027. The reversal of 12220010021021 is 12012001002221.

It is a cyclic number.

It is not a de Polignac number, because 12220010021021 - 2⁶ = 12220010020957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220010020987 and 12220010021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220010021027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13571711 + ... + 14444076.

It is an arithmetic number, because the mean of its divisors is an integer number (877454480160).

Almost surely, 2^{12220010021021} is an apocalyptic number.

12220010021021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12220010021021 is a deficient number, since it is larger than the sum of its proper divisors (1819261661539).

12220010021021 is a wasteful number, since it uses less digits than its factorization.

12220010021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28017904.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12220010021021 its reverse (12012001002221), we get a palindrome (24232011023242).

The spelling of 12220010021021 in words is "twelve trillion, two hundred twenty billion, ten million, twenty-one thousand, twenty-one".