221330230110100 has 36 divisors (see below), whose sum is σ = 487455056060224. Its totient is φ = 87210717533280.

The previous prime is 221330230110037. The next prime is 221330230110103. The reversal of 221330230110100 is 1011032033122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221330230110103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16517174652 + ... + 16517188051.

Almost surely, 2^{221330230110100} is an apocalyptic number.

221330230110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221330230110100 is an abundant number, since it is smaller than the sum of its proper divisors (266124825950124).

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

221330230110100 is a wasteful number, since it uses less digits than its factorization.

221330230110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33034362784 (or 33034362777 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 221330230110100 its reverse (1011032033122), we get a palindrome (222341262143222).

The spelling of 221330230110100 in words is "two hundred twenty-one trillion, three hundred thirty billion, two hundred thirty million, one hundred ten thousand, one hundred".