2153221202 has 16 divisors (see below), whose sum is σ = 3524269824. Its totient is φ = 978510000.

The previous prime is 2153221181. The next prime is 2153221223. The reversal of 2153221202 is 2021223512.

It is an interprime number because it is at equal distance from previous prime (2153221181) and next prime (2153221223).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118952 + ... + 135852.

It is an arithmetic number, because the mean of its divisors is an integer number (220266864).

Almost surely, 2^2153221202 is an apocalyptic number.

2153221202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2153221202 is a deficient number, since it is larger than the sum of its proper divisors (1371048622).

2153221202 is a wasteful number, since it uses less digits than its factorization.

2153221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22705.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2153221202 is about 46402.8145913586. The cubic root of 2153221202 is about 1291.3071304855.

Adding to 2153221202 its reverse (2021223512), we get a palindrome (4174444714).

The spelling of 2153221202 in words is "two billion, one hundred fifty-three million, two hundred twenty-one thousand, two hundred two".