122021222002021 has 16 divisors (see below), whose sum is σ = 129488043899520. Its totient is φ = 114734635576000.

The previous prime is 122021222001989. The next prime is 122021222002079. The reversal of 122021222002021 is 120200222120221.

It is a cyclic number.

It is not a de Polignac number, because 122021222002021 - 2⁵ = 122021222001989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122021222002021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021222002921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50178771 + ... + 52554271.

It is an arithmetic number, because the mean of its divisors is an integer number (8093002743720).

Almost surely, 2^{122021222002021} is an apocalyptic number.

It is an amenable number.

122021222002021 is a deficient number, since it is larger than the sum of its proper divisors (7466821897499).

122021222002021 is a wasteful number, since it uses less digits than its factorization.

122021222002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413436.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122021222002021 its reverse (120200222120221), we get a palindrome (242221444122242).

The spelling of 122021222002021 in words is "one hundred twenty-two trillion, twenty-one billion, two hundred twenty-two million, two thousand, twenty-one".