122221202202021 has 32 divisors (see below), whose sum is σ = 175542037332480. Its totient is φ = 75193796160000.

The previous prime is 122221202201957. The next prime is 122221202202049. The reversal of 122221202202021 is 120202202122221.

It is not a de Polignac number, because 122221202202021 - 2⁶ = 122221202201957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221202200021) 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, 2890667401 + ... + 2890709681.

It is an arithmetic number, because the mean of its divisors is an integer number (5485688666640).

Almost surely, 2^{122221202202021} is an apocalyptic number.

It is an amenable number.

122221202202021 is a deficient number, since it is larger than the sum of its proper divisors (53320835130459).

122221202202021 is a wasteful number, since it uses less digits than its factorization.

122221202202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59517.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122221202202021 its reverse (120202202122221), we get a palindrome (242423404324242).

The spelling of 122221202202021 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred two million, two hundred two thousand, twenty-one".