201102022221020 has 48 divisors (see below), whose sum is σ = 437021519810400. Its totient is φ = 77641261152000.

The previous prime is 201102022220987. The next prime is 201102022221041. The reversal of 201102022221020 is 20122220201102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201102022221020.

It is a congruent number.

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, 55673231 + ... + 59175270.

It is an arithmetic number, because the mean of its divisors is an integer number (9104614996050).

Almost surely, 2^{201102022221020} is an apocalyptic number.

201102022221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201102022221020 is an abundant number, since it is smaller than the sum of its proper divisors (235919497589380).

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

201102022221020 is a wasteful number, since it uses less digits than its factorization.

201102022221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114851558 (or 114851556 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201102022221020 its reverse (20122220201102), we get a palindrome (221224242422122).

The spelling of 201102022221020 in words is "two hundred one trillion, one hundred two billion, twenty-two million, two hundred twenty-one thousand, twenty".