22110020202021 has 32 divisors (see below), whose sum is σ = 30373135056000. Its totient is φ = 14301255770880.

The previous prime is 22110020202019. The next prime is 22110020202079. The reversal of 22110020202021 is 12020202001122.

It is not a de Polignac number, because 22110020202021 - 2¹ = 22110020202019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110020202121) 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, 1470631 + ... + 6810491.

It is an arithmetic number, because the mean of its divisors is an integer number (949160470500).

Almost surely, 2^{22110020202021} is an apocalyptic number.

It is an amenable number.

22110020202021 is a deficient number, since it is larger than the sum of its proper divisors (8263114853979).

22110020202021 is a wasteful number, since it uses less digits than its factorization.

22110020202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340229.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22110020202021 its reverse (12020202001122), we get a palindrome (34130222203143).

The spelling of 22110020202021 in words is "twenty-two trillion, one hundred ten billion, twenty million, two hundred two thousand, twenty-one".