201101122230 has 32 divisors (see below), whose sum is σ = 482940921600. Its totient is φ = 53593829472.

The previous prime is 201101122213. The next prime is 201101122247. The reversal of 201101122230 is 32221101102.

It is an interprime number because it is at equal distance from previous prime (201101122213) and next prime (201101122247).

It is a super-2 number, since 2×201101122230² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2021650 + ... + 2118789.

It is an arithmetic number, because the mean of its divisors is an integer number (15091903800).

Almost surely, 2^201101122230 is an apocalyptic number.

201101122230 is an abundant number, since it is smaller than the sum of its proper divisors (281839799370).

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

201101122230 is a wasteful number, since it uses less digits than its factorization.

201101122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142068.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201101122230 its reverse (32221101102), we get a palindrome (233322223332).

The spelling of 201101122230 in words is "two hundred one billion, one hundred one million, one hundred twenty-two thousand, two hundred thirty".