201021021001222 has 16 divisors (see below), whose sum is σ = 307950860206080. Its totient is φ = 98370786546568.

The previous prime is 201021021001187. The next prime is 201021021001277. The reversal of 201021021001222 is 222100120120102.

It is a happy number.

201021021001222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201021021001196 and 201021021001205.

It is a congruent number.

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, 5314822 + ... + 20743417.

It is an arithmetic number, because the mean of its divisors is an integer number (19246928762880).

Almost surely, 2^{201021021001222} is an apocalyptic number.

201021021001222 is a deficient number, since it is larger than the sum of its proper divisors (106929839204858).

201021021001222 is a wasteful number, since it uses less digits than its factorization.

201021021001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26140355.

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

Adding to 201021021001222 its reverse (222100120120102), we get a palindrome (423121141121324).

The spelling of 201021021001222 in words is "two hundred one trillion, twenty-one billion, twenty-one million, one thousand, two hundred twenty-two".