221022140100 has 36 divisors (see below), whose sum is σ = 639490726224. Its totient is φ = 58939237280.

The previous prime is 221022140083. The next prime is 221022140197. The reversal of 221022140100 is 1041220122.

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

It is a self number, because there is not a number n which added to its sum of digits gives 221022140100.

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, 368369934 + ... + 368370533.

It is an arithmetic number, because the mean of its divisors is an integer number (17763631284).

Almost surely, 2^221022140100 is an apocalyptic number.

221022140100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221022140100 is an abundant number, since it is smaller than the sum of its proper divisors (418468586124).

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

221022140100 is a wasteful number, since it uses less digits than its factorization.

221022140100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736740484 (or 736740477 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 221022140100 its reverse (1041220122), we get a palindrome (222063360222).

The spelling of 221022140100 in words is "two hundred twenty-one billion, twenty-two million, one hundred forty thousand, one hundred".