22220100102021 has 8 divisors (see below), whose sum is σ = 30001822922880. Its totient is φ = 14625888674592.

The previous prime is 22220100101987. The next prime is 22220100102023. The reversal of 22220100102021 is 12020100102222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22220100102021 - 2¹¹ = 22220100099973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220100102023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46877848080 + ... + 46877848553.

It is an arithmetic number, because the mean of its divisors is an integer number (3750227865360).

Almost surely, 2^{22220100102021} is an apocalyptic number.

It is an amenable number.

22220100102021 is a deficient number, since it is larger than the sum of its proper divisors (7781722820859).

22220100102021 is an equidigital number, since it uses as much as digits as its factorization.

22220100102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93755696715.

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

Adding to 22220100102021 its reverse (12020100102222), we get a palindrome (34240200204243).

The spelling of 22220100102021 in words is "twenty-two trillion, two hundred twenty billion, one hundred million, one hundred two thousand, twenty-one".