201901109102 has 24 divisors (see below), whose sum is σ = 384323820120. Its totient is φ = 78662769360.

The previous prime is 201901109099. The next prime is 201901109141.

201901109102 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93645077 + ... + 93647232.

It is an arithmetic number, because the mean of its divisors is an integer number (16013492505).

Almost surely, 2^201901109102 is an apocalyptic number.

201901109102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201901109102 is a deficient number, since it is larger than the sum of its proper divisors (182422711018).

201901109102 is a wasteful number, since it uses less digits than its factorization.

201901109102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187292336 (or 187292329 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 201901109102 in words is "two hundred one billion, nine hundred one million, one hundred nine thousand, one hundred two".