201121010012022 has 64 divisors (see below), whose sum is σ = 433250041365504. Its totient is φ = 62010126512640.

The previous prime is 201121010011979. The next prime is 201121010012051. The reversal of 201121010012022 is 220210010121102.

It is a junction number, because it is equal to n+sod(n) for n = 201121010011992 and 201121010012010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6230398 + ... + 21001425.

It is an arithmetic number, because the mean of its divisors is an integer number (6769531896336).

Almost surely, 2^{201121010012022} is an apocalyptic number.

201121010012022 is an abundant number, since it is smaller than the sum of its proper divisors (232129031353482).

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

201121010012022 is a wasteful number, since it uses less digits than its factorization.

201121010012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27233093.

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

Adding to 201121010012022 its reverse (220210010121102), we get a palindrome (421331020133124).

The spelling of 201121010012022 in words is "two hundred one trillion, one hundred twenty-one billion, ten million, twelve thousand, twenty-two".