201001011221022 has 16 divisors (see below), whose sum is σ = 419480371244160. Its totient is φ = 64087278939992.

The previous prime is 201001011221009. The next prime is 201001011221033. The reversal of 201001011221022 is 220122110100102.

It is a junction number, because it is equal to n+sod(n) for n = 201001011220992 and 201001011221010.

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, 728264533272 + ... + 728264533547.

It is an arithmetic number, because the mean of its divisors is an integer number (26217523202760).

Almost surely, 2^{201001011221022} is an apocalyptic number.

201001011221022 is an abundant number, since it is smaller than the sum of its proper divisors (218479360023138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201001011221022 is a wasteful number, since it uses less digits than its factorization.

201001011221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456529066847.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201001011221022 its reverse (220122110100102), we get a palindrome (421123121321124).

The spelling of 201001011221022 in words is "two hundred one trillion, one billion, eleven million, two hundred twenty-one thousand, twenty-two".