201011002121222 has 32 divisors (see below), whose sum is σ = 319727083935744. Its totient is φ = 94452880720000.

The previous prime is 201011002121219. The next prime is 201011002121269. The reversal of 201011002121222 is 222121200110102.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 201011002121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2019126347 + ... + 2019225897.

It is an arithmetic number, because the mean of its divisors is an integer number (9991471372992).

Almost surely, 2^{201011002121222} is an apocalyptic number.

201011002121222 is a deficient number, since it is larger than the sum of its proper divisors (118716081814522).

201011002121222 is a wasteful number, since it uses less digits than its factorization.

201011002121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187204.

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

Adding to 201011002121222 its reverse (222121200110102), we get a palindrome (423132202231324).

The spelling of 201011002121222 in words is "two hundred one trillion, eleven billion, two million, one hundred twenty-one thousand, two hundred twenty-two".