2220100011021 has 16 divisors (see below), whose sum is σ = 2962820194304. Its totient is φ = 1478723574384.

The previous prime is 2220100011007. The next prime is 2220100011029. The reversal of 2220100011021 is 1201100010222.

It is not a de Polignac number, because 2220100011021 - 2⁷ = 2220100010893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220100010988 and 2220100011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220100011029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30950820 + ... + 31022466.

It is an arithmetic number, because the mean of its divisors is an integer number (185176262144).

Almost surely, 2^{2220100011021} is an apocalyptic number.

It is an amenable number.

2220100011021 is a deficient number, since it is larger than the sum of its proper divisors (742720183283).

2220100011021 is a wasteful number, since it uses less digits than its factorization.

2220100011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80880.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2220100011021 its reverse (1201100010222), we get a palindrome (3421200021243).

The spelling of 2220100011021 in words is "two trillion, two hundred twenty billion, one hundred million, eleven thousand, twenty-one".