201122110222020 has 96 divisors (see below), whose sum is σ = 673845018887040. Its totient is φ = 49506980976000.

The previous prime is 201122110222013. The next prime is 201122110222043. The reversal of 201122110222020 is 20222011221102.

It is a happy number.

201122110222020 is a `hidden beast` number, since 201 + 1 + 221 + 1 + 0 + 2 + 220 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201122110221984 and 201122110222002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14324929606 + ... + 14324943645.

It is an arithmetic number, because the mean of its divisors is an integer number (7019218946740).

Almost surely, 2^{201122110222020} is an apocalyptic number.

201122110222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201122110222020 is an abundant number, since it is smaller than the sum of its proper divisors (472722908665020).

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

201122110222020 is a wasteful number, since it uses less digits than its factorization.

201122110222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28649873282 (or 28649873274 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201122110222020 its reverse (20222011221102), we get a palindrome (221344121443122).

The spelling of 201122110222020 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred ten million, two hundred twenty-two thousand, twenty".