2202010211021 has 4 divisors (see below), whose sum is σ = 2331540223452. Its totient is φ = 2072480198592.

The previous prime is 2202010210931. The next prime is 2202010211029. The reversal of 2202010211021 is 1201120102022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1845345649225 + 356664561796 = 1358435^2 + 597214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2202010211021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202010210987 and 2202010211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202010211029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64765006190 + ... + 64765006223.

It is an arithmetic number, because the mean of its divisors is an integer number (582885055863).

Almost surely, 2^{2202010211021} is an apocalyptic number.

It is an amenable number.

2202010211021 is a deficient number, since it is larger than the sum of its proper divisors (129530012431).

2202010211021 is a wasteful number, since it uses less digits than its factorization.

2202010211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129530012430.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2202010211021 its reverse (1201120102022), we get a palindrome (3403130313043).

The spelling of 2202010211021 in words is "two trillion, two hundred two billion, ten million, two hundred eleven thousand, twenty-one".