201002221211020 has 24 divisors (see below), whose sum is σ = 422122305427200. Its totient is φ = 80397528316032.

The previous prime is 201002221210981. The next prime is 201002221211083. The reversal of 201002221211020 is 20112122200102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201002221210985 and 201002221211003.

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, 209519980 + ... + 210477139.

It is an arithmetic number, because the mean of its divisors is an integer number (17588429392800).

Almost surely, 2^{201002221211020} is an apocalyptic number.

201002221211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002221211020 is an abundant number, since it is smaller than the sum of its proper divisors (221120084216180).

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

201002221211020 is a wasteful number, since it uses less digits than its factorization.

201002221211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420021057 (or 420021055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201002221211020 its reverse (20112122200102), we get a palindrome (221114343411122).

The spelling of 201002221211020 in words is "two hundred one trillion, two billion, two hundred twenty-one million, two hundred eleven thousand, twenty".