2130021112 has 8 divisors (see below), whose sum is σ = 3993789600. Its totient is φ = 1065010552.

The previous prime is 2130021107. The next prime is 2130021133. The reversal of 2130021112 is 2111200312.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2130021092 and 2130021101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133126312 + ... + 133126327.

It is an arithmetic number, because the mean of its divisors is an integer number (499223700).

Almost surely, 2^2130021112 is an apocalyptic number.

It is an amenable number.

2130021112 is a deficient number, since it is larger than the sum of its proper divisors (1863768488).

2130021112 is a wasteful number, since it uses less digits than its factorization.

2130021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266252645 (or 266252641 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2130021112 is about 46152.1517591542. The cubic root of 2130021112 is about 1286.6526021831.

Adding to 2130021112 its reverse (2111200312), we get a palindrome (4241221424).

The spelling of 2130021112 in words is "two billion, one hundred thirty million, twenty-one thousand, one hundred twelve".