201011233221100 has 36 divisors (see below), whose sum is σ = 455159348968464. Its totient is φ = 76908645753280.

The previous prime is 201011233221047. The next prime is 201011233221133. The reversal of 201011233221100 is 1122332110102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43698091879 + ... + 43698096478.

It is an arithmetic number, because the mean of its divisors is an integer number (12643315249124).

Almost surely, 2^{201011233221100} is an apocalyptic number.

201011233221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201011233221100 is an abundant number, since it is smaller than the sum of its proper divisors (254148115747364).

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

201011233221100 is a wasteful number, since it uses less digits than its factorization.

201011233221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87396188394 (or 87396188387 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 201011233221100 its reverse (1122332110102), we get a palindrome (202133565331202).

The spelling of 201011233221100 in words is "two hundred one trillion, eleven billion, two hundred thirty-three million, two hundred twenty-one thousand, one hundred".