2200022101021 has 6 divisors (see below), whose sum is σ = 2299834068350. Its totient is φ = 2104368965688.

The previous prime is 2200022100973. The next prime is 2200022101037. The reversal of 2200022101021 is 1201012200022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2197020595225 + 3001505796 = 1482235^2 + 54786^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2200022101021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200022100992 and 2200022101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200022101091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2079415446 + ... + 2079416503.

Almost surely, 2^{2200022101021} is an apocalyptic number.

It is an amenable number.

2200022101021 is a deficient number, since it is larger than the sum of its proper divisors (99811967329).

2200022101021 is an equidigital number, since it uses as much as digits as its factorization.

2200022101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158831995 (or 4158831972 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2200022101021 its reverse (1201012200022), we get a palindrome (3401034301043).

Subtracting from 2200022101021 its reverse (1201012200022), we obtain a palindrome (999009900999).

The spelling of 2200022101021 in words is "two trillion, two hundred billion, twenty-two million, one hundred one thousand, twenty-one".