12202001122021 has 2 divisors, whose sum is σ = 12202001122022. Its totient is φ = 12202001122020.

The previous prime is 12202001122009. The next prime is 12202001122027. The reversal of 12202001122021 is 12022110020221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12195733233121 + 6267888900 = 3492239^2 + 79170^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202001122021 - 2⁹ = 12202001121509 is a prime.

It is a super-2 number, since 2×12202001122021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12202001121986 and 12202001122004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12202001122027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101000561010 + 6101000561011.

It is an arithmetic number, because the mean of its divisors is an integer number (6101000561011).

Almost surely, 2^{12202001122021} is an apocalyptic number.

It is an amenable number.

12202001122021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202001122021 is an equidigital number, since it uses as much as digits as its factorization.

12202001122021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12202001122021 its reverse (12022110020221), we get a palindrome (24224111142242).

The spelling of 12202001122021 in words is "twelve trillion, two hundred two billion, one million, one hundred twenty-two thousand, twenty-one".