201221012022022 has 16 divisors (see below), whose sum is σ = 305473826094192. Its totient is φ = 99396449226880.

The previous prime is 201221012022007. The next prime is 201221012022047. The reversal of 201221012022022 is 220220210122102.

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, 2661679 + ... + 20236762.

It is an arithmetic number, because the mean of its divisors is an integer number (19092114130887).

Almost surely, 2^{201221012022022} is an apocalyptic number.

201221012022022 is a deficient number, since it is larger than the sum of its proper divisors (104252814072170).

201221012022022 is a wasteful number, since it uses less digits than its factorization.

201221012022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22951463.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201221012022022 its reverse (220220210122102), we get a palindrome (421441222144124).

The spelling of 201221012022022 in words is "two hundred one trillion, two hundred twenty-one billion, twelve million, twenty-two thousand, twenty-two".