201002111010 has 32 divisors (see below), whose sum is σ = 536005630080. Its totient is φ = 53600562864.

The previous prime is 201002111003. The next prime is 201002111027. The reversal of 201002111010 is 10111200102.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 201002110983 and 201002111001.

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, 372225862 + ... + 372226401.

It is an arithmetic number, because the mean of its divisors is an integer number (16750175940).

Almost surely, 2^201002111010 is an apocalyptic number.

201002111010 is an abundant number, since it is smaller than the sum of its proper divisors (335003519070).

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

201002111010 is a wasteful number, since it uses less digits than its factorization.

201002111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744452279 (or 744452273 counting only the distinct ones).

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

Adding to 201002111010 its reverse (10111200102), we get a palindrome (211113311112).

The spelling of 201002111010 in words is "two hundred one billion, two million, one hundred eleven thousand, ten".