1901113202 has 8 divisors (see below), whose sum is σ = 2851974576. Its totient is φ = 950455012.

The previous prime is 1901113189. The next prime is 1901113217. The reversal of 1901113202 is 2023111091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1901113202² = 7228462813637385608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24728 + ... + 66435.

It is an arithmetic number, because the mean of its divisors is an integer number (356496822).

Almost surely, 2^1901113202 is an apocalyptic number.

1901113202 is a deficient number, since it is larger than the sum of its proper divisors (950861374).

1901113202 is a wasteful number, since it uses less digits than its factorization.

1901113202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101592.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1901113202 is about 43601.7568682731. The cubic root of 1901113202 is about 1238.8041718895.

Adding to 1901113202 its reverse (2023111091), we get a palindrome (3924224293).

The spelling of 1901113202 in words is "one billion, nine hundred one million, one hundred thirteen thousand, two hundred two".