201010022121122 has 16 divisors (see below), whose sum is σ = 301726007377080. Its totient is φ = 100434690125568.

The previous prime is 201010022121113. The next prime is 201010022121133. The reversal of 201010022121122 is 221121220010102.

It can be written as a sum of positive squares in 4 ways, for example, as 154233026445481 + 46776995675641 = 12419059^2 + 6839371^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201010022121122.

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, 107102588 + ... + 108963224.

Almost surely, 2^{201010022121122} is an apocalyptic number.

201010022121122 is a deficient number, since it is larger than the sum of its proper divisors (100715985255958).

201010022121122 is a wasteful number, since it uses less digits than its factorization.

201010022121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898405.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201010022121122 its reverse (221121220010102), we get a palindrome (422131242131224).

The spelling of 201010022121122 in words is "two hundred one trillion, ten billion, twenty-two million, one hundred twenty-one thousand, one hundred twenty-two".