201002011983 has 6 divisors (see below), whose sum is σ = 290336239544. Its totient is φ = 134001341316.

The previous prime is 201002011979. The next prime is 201002012009. The reversal of 201002011983 is 389110200102.

It is not a de Polignac number, because 201002011983 - 2² = 201002011979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002011913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11166778435 + ... + 11166778452.

Almost surely, 2^201002011983 is an apocalyptic number.

201002011983 is a deficient number, since it is larger than the sum of its proper divisors (89334227561).

201002011983 is a wasteful number, since it uses less digits than its factorization.

201002011983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22333556893 (or 22333556890 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 201002011983 in words is "two hundred one billion, two million, eleven thousand, nine hundred eighty-three".