201120221022020 has 48 divisors (see below), whose sum is σ = 440720993623680. Its totient is φ = 76949406268416.

The previous prime is 201120221021987. The next prime is 201120221022023. The reversal of 201120221022020 is 20220122021102.

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 201120221022020.

It is not an unprimeable number, because it can be changed into a prime (201120221022023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35660711 + ... + 40913649.

It is an arithmetic number, because the mean of its divisors is an integer number (9181687367160).

Almost surely, 2^{201120221022020} is an apocalyptic number.

201120221022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120221022020 is an abundant number, since it is smaller than the sum of its proper divisors (239600772601660).

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

201120221022020 is a wasteful number, since it uses less digits than its factorization.

201120221022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336204 (or 5336202 counting only the distinct ones).

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

Adding to 201120221022020 its reverse (20220122021102), we get a palindrome (221340343043122).

The spelling of 201120221022020 in words is "two hundred one trillion, one hundred twenty billion, two hundred twenty-one million, twenty-two thousand, twenty".