111210210010 has 16 divisors (see below), whose sum is σ = 200345076072. Its totient is φ = 44447040000.

The previous prime is 111210209959. The next prime is 111210210043. The reversal of 111210210010 is 10012012111.

It can be written as a sum of positive squares in 4 ways, for example, as 70107918841 + 41102291169 = 264779^2 + 202737^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 4617891 + ... + 4641910.

Almost surely, 2^111210210010 is an apocalyptic number.

111210210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111210210010 is a deficient number, since it is larger than the sum of its proper divisors (89134866062).

111210210010 is a wasteful number, since it uses less digits than its factorization.

111210210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9261009.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111210210010 its reverse (10012012111), we get a palindrome (121222222121).

The spelling of 111210210010 in words is "one hundred eleven billion, two hundred ten million, two hundred ten thousand, ten".