201002011101 has 24 divisors (see below), whose sum is σ = 291428280000. Its totient is φ = 133498240512.

The previous prime is 201002011097. The next prime is 201002011109. The reversal of 201002011101 is 101110200102.

It is a happy number.

It is not a de Polignac number, because 201002011101 - 2² = 201002011097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002011109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2625280 + ... + 2700758.

It is an arithmetic number, because the mean of its divisors is an integer number (12142845000).

Almost surely, 2^201002011101 is an apocalyptic number.

It is an amenable number.

201002011101 is a deficient number, since it is larger than the sum of its proper divisors (90426268899).

201002011101 is a wasteful number, since it uses less digits than its factorization.

201002011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76593 (or 76590 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 201002011101 its reverse (101110200102), we get a palindrome (302112211203).

The spelling of 201002011101 in words is "two hundred one billion, two million, eleven thousand, one hundred one".