2112153430 has 16 divisors (see below), whose sum is σ = 4001975280. Its totient is φ = 800394912.

The previous prime is 2112153409. The next prime is 2112153431. The reversal of 2112153430 is 343512112.

It is a happy number.

It is a super-2 number, since 2×2112153430² = 8922384223721529800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112153431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5558109 + ... + 5558488.

It is an arithmetic number, because the mean of its divisors is an integer number (250123455).

Almost surely, 2^2112153430 is an apocalyptic number.

2112153430 is a deficient number, since it is larger than the sum of its proper divisors (1889821850).

2112153430 is a wasteful number, since it uses less digits than its factorization.

2112153430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11116623.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2112153430 is about 45958.1704379102. The cubic root of 2112153430 is about 1283.0448001849.

Adding to 2112153430 its reverse (343512112), we get a palindrome (2455665542).

The spelling of 2112153430 in words is "two billion, one hundred twelve million, one hundred fifty-three thousand, four hundred thirty".