201001323211122 has 64 divisors (see below), whose sum is σ = 467222690248704. Its totient is φ = 56460121856640.

The previous prime is 201001323211111. The next prime is 201001323211127. The reversal of 201001323211122 is 221112323100102.

201001323211122 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (201001323211127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104445448 + ... + 106352499.

It is an arithmetic number, because the mean of its divisors is an integer number (7300354535136).

Almost surely, 2^{201001323211122} is an apocalyptic number.

201001323211122 is an abundant number, since it is smaller than the sum of its proper divisors (266221367037582).

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

201001323211122 is a wasteful number, since it uses less digits than its factorization.

201001323211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210798343.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 201001323211122 its reverse (221112323100102), we get a palindrome (422113646311224).

The spelling of 201001323211122 in words is "two hundred one trillion, one billion, three hundred twenty-three million, two hundred eleven thousand, one hundred twenty-two".