122021202120221 has 32 divisors (see below), whose sum is σ = 127862538564096. Its totient is φ = 116334429120000.

The previous prime is 122021202120197. The next prime is 122021202120229.

122021202120221 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 122021202120221 - 2⁶ = 122021202120157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122021202120193 and 122021202120202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021202120229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2179427990 + ... + 2179483976.

It is an arithmetic number, because the mean of its divisors is an integer number (3995704330128).

Almost surely, 2^{122021202120221} is an apocalyptic number.

It is an amenable number.

122021202120221 is a deficient number, since it is larger than the sum of its proper divisors (5841336443875).

122021202120221 is a wasteful number, since it uses less digits than its factorization.

122021202120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60053.

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 12202120 and 2120221, that added together give a palindrome (14322341).

The spelling of 122021202120221 in words is "one hundred twenty-two trillion, twenty-one billion, two hundred two million, one hundred twenty thousand, two hundred twenty-one".