1111321902 has 32 divisors (see below), whose sum is σ = 2248560000. Its totient is φ = 366137568.

The previous prime is 1111321879. The next prime is 1111321921. The reversal of 1111321902 is 2091231111.

It is a happy number.

1111321902 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318624 + ... + 322092.

It is an arithmetic number, because the mean of its divisors is an integer number (70267500).

Almost surely, 2^1111321902 is an apocalyptic number.

1111321902 is an abundant number, since it is smaller than the sum of its proper divisors (1137238098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111321902 is a wasteful number, since it uses less digits than its factorization.

1111321902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080.

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 1111321902 is about 33336.4950467202. The cubic root of 1111321902 is about 1035.8096621400.

The spelling of 1111321902 in words is "one billion, one hundred eleven million, three hundred twenty-one thousand, nine hundred two".