2113321012 has 24 divisors (see below), whose sum is σ = 4036364640. Its totient is φ = 960161760.

The previous prime is 2113320997. The next prime is 2113321013. The reversal of 2113321012 is 2101233112.

It is a super-2 number, since 2×2113321012² = 8932251399521408288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113321013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98814 + ... + 118282.

It is an arithmetic number, because the mean of its divisors is an integer number (168181860).

Almost surely, 2^2113321012 is an apocalyptic number.

2113321012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2113321012 is a deficient number, since it is larger than the sum of its proper divisors (1923043628).

2113321012 is a wasteful number, since it uses less digits than its factorization.

2113321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21951 (or 21949 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2113321012 is about 45970.8713426230. The cubic root of 2113321012 is about 1283.2811756992.

Adding to 2113321012 its reverse (2101233112), we get a palindrome (4214554124).

The spelling of 2113321012 in words is "two billion, one hundred thirteen million, three hundred twenty-one thousand, twelve".