2111520106 has 16 divisors (see below), whose sum is σ = 3367350144. Its totient is φ = 990802384.

The previous prime is 2111520097. The next prime is 2111520113. The reversal of 2111520106 is 6010251112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430606 + ... + 435481.

It is an arithmetic number, because the mean of its divisors is an integer number (210459384).

Almost surely, 2^2111520106 is an apocalyptic number.

2111520106 is a deficient number, since it is larger than the sum of its proper divisors (1255830038).

2111520106 is a wasteful number, since it uses less digits than its factorization.

2111520106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866165.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 2111520106 is about 45951.2796992641. The cubic root of 2111520106 is about 1282.9165480917.

Adding to 2111520106 its reverse (6010251112), we get a palindrome (8121771218).

The spelling of 2111520106 in words is "two billion, one hundred eleven million, five hundred twenty thousand, one hundred six".