2113212002 has 24 divisors (see below), whose sum is σ = 3490836636. Its totient is φ = 958716000.

The previous prime is 2113211981. The next prime is 2113212029. The reversal of 2113212002 is 2002123112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2092971001 + 20241001 = 45749^2 + 4499^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122852 + ... + 138992.

Almost surely, 2^2113212002 is an apocalyptic number.

2113212002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2113212002 is a deficient number, since it is larger than the sum of its proper divisors (1377624634).

2113212002 is a wasteful number, since it uses less digits than its factorization.

2113212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16706 (or 16695 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2113212002 is about 45969.6856852426. The cubic root of 2113212002 is about 1283.2591104466.

Adding to 2113212002 its reverse (2002123112), we get a palindrome (4115335114).

The spelling of 2113212002 in words is "two billion, one hundred thirteen million, two hundred twelve thousand, two".