221125153300 has 36 divisors (see below), whose sum is σ = 500704265376. Its totient is φ = 84604405600.

The previous prime is 221125153283. The next prime is 221125153351. The reversal of 221125153300 is 3351521122.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

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, 48068386 + ... + 48072985.

It is an arithmetic number, because the mean of its divisors is an integer number (13908451816).

Almost surely, 2^221125153300 is an apocalyptic number.

221125153300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221125153300 is an abundant number, since it is smaller than the sum of its proper divisors (279579112076).

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

221125153300 is a wasteful number, since it uses less digits than its factorization.

221125153300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96141408 (or 96141401 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 221125153300 its reverse (3351521122), we get a palindrome (224476674422).

The spelling of 221125153300 in words is "two hundred twenty-one billion, one hundred twenty-five million, one hundred fifty-three thousand, three hundred".