2153022102 has 48 divisors (see below), whose sum is σ = 5815959552. Its totient is φ = 559226160.

The previous prime is 2153022061. The next prime is 2153022139. The reversal of 2153022102 is 2012203512.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 775318 + ... + 778089.

It is an arithmetic number, because the mean of its divisors is an integer number (121165824).

Almost surely, 2^2153022102 is an apocalyptic number.

2153022102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2153022102 is an abundant number, since it is smaller than the sum of its proper divisors (3662937450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2153022102 is a wasteful number, since it uses less digits than its factorization.

2153022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553433 (or 1553430 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2153022102 is about 46400.6691977605. The cubic root of 2153022102 is about 1291.2673285407.

Adding to 2153022102 its reverse (2012203512), we get a palindrome (4165225614).

The spelling of 2153022102 in words is "two billion, one hundred fifty-three million, twenty-two thousand, one hundred two".