201002011200122 has 24 divisors (see below), whose sum is σ = 333628331368500. Its totient is φ = 90751365626240.

The previous prime is 201002011200077. The next prime is 201002011200149. The reversal of 201002011200122 is 221002110200102.

It can be written as a sum of positive squares in 2 ways, for example, as 136723933795801 + 64278077404321 = 11692901^2 + 8017361^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201002011200097 and 201002011200106.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2787168047 + ... + 2787240162.

Almost surely, 2^{201002011200122} is an apocalyptic number.

201002011200122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201002011200122 is a deficient number, since it is larger than the sum of its proper divisors (132626320168378).

201002011200122 is a wasteful number, since it uses less digits than its factorization.

201002011200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574408382 (or 5574408371 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201002011200122 its reverse (221002110200102), we get a palindrome (422004121400224).

The spelling of 201002011200122 in words is "two hundred one trillion, two billion, eleven million, two hundred thousand, one hundred twenty-two".