201121102201230 has 48 divisors (see below), whose sum is σ = 522916018938144. Its totient is φ = 53632175641920.

The previous prime is 201121102201223. The next prime is 201121102201231. The reversal of 201121102201230 is 32102201121102.

201121102201230 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 211 + 0 + 220 + 1 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121102201231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43259815 + ... + 47682845.

It is an arithmetic number, because the mean of its divisors is an integer number (10894083727878).

Almost surely, 2^{201121102201230} is an apocalyptic number.

201121102201230 is an abundant number, since it is smaller than the sum of its proper divisors (321794916736914).

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

201121102201230 is a wasteful number, since it uses less digits than its factorization.

201121102201230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4928281 (or 4928278 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 201121102201230 its reverse (32102201121102), we get a palindrome (233223303322332).

The spelling of 201121102201230 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred two million, two hundred one thousand, two hundred thirty".