201020020021102 has 16 divisors (see below), whose sum is σ = 302307000624720. Its totient is φ = 100251022940352.

The previous prime is 201020020021097. The next prime is 201020020021111. The reversal of 201020020021102 is 201120020020102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145454098 + ... + 146829610.

It is an arithmetic number, because the mean of its divisors is an integer number (18894187539045).

Almost surely, 2^{201020020021102} is an apocalyptic number.

201020020021102 is a deficient number, since it is larger than the sum of its proper divisors (101286980603618).

201020020021102 is a wasteful number, since it uses less digits than its factorization.

201020020021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563747.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201020020021102 its reverse (201120020020102), we get a palindrome (402140040041204).

The spelling of 201020020021102 in words is "two hundred one trillion, twenty billion, twenty million, twenty-one thousand, one hundred two".