201001011001122 has 64 divisors (see below), whose sum is σ = 411262903203840. Its totient is φ = 65472108268800.

The previous prime is 201001011001079. The next prime is 201001011001127. The reversal of 201001011001122 is 221100110100102.

It is a junction number, because it is equal to n+sod(n) for n = 201001011001098 and 201001011001107.

It is not an unprimeable number, because it can be changed into a prime (201001011001127) 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, 52177504 + ... + 55897172.

It is an arithmetic number, because the mean of its divisors is an integer number (6425982862560).

Almost surely, 2^{201001011001122} is an apocalyptic number.

201001011001122 is an abundant number, since it is smaller than the sum of its proper divisors (210261892202718).

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

201001011001122 is a wasteful number, since it uses less digits than its factorization.

201001011001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720699.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201001011001122 its reverse (221100110100102), we get a palindrome (422101121101224).

The spelling of 201001011001122 in words is "two hundred one trillion, one billion, eleven million, one thousand, one hundred twenty-two".