2220002102021 has 16 divisors (see below), whose sum is σ = 2429758461888. Its totient is φ = 2011571865600.

The previous prime is 2220002101981. The next prime is 2220002102047. The reversal of 2220002102021 is 1202012000222.

It is not a de Polignac number, because 2220002102021 - 2³⁴ = 2202822232837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220002101987 and 2220002102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220002102221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14535365 + ... + 14687301.

It is an arithmetic number, because the mean of its divisors is an integer number (151859903868).

Almost surely, 2^{2220002102021} is an apocalyptic number.

It is an amenable number.

2220002102021 is a deficient number, since it is larger than the sum of its proper divisors (209756359867).

2220002102021 is a wasteful number, since it uses less digits than its factorization.

2220002102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156292.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2220002102021 its reverse (1202012000222), we get a palindrome (3422014102243).

The spelling of 2220002102021 in words is "two trillion, two hundred twenty billion, two million, one hundred two thousand, twenty-one".