220001201100 has 108 divisors (see below), whose sum is σ = 689703356160. Its totient is φ = 58656624000.

The previous prime is 220001201089. The next prime is 220001201111. The reversal of 220001201100 is 1102100022.

It is an interprime number because it is at equal distance from previous prime (220001201089) and next prime (220001201111).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6012661 + ... + 6049139.

Almost surely, 2^220001201100 is an apocalyptic number.

220001201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220001201100 is an abundant number, since it is smaller than the sum of its proper divisors (469702155060).

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

220001201100 is a wasteful number, since it uses less digits than its factorization.

220001201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43200 (or 43190 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 220001201100 its reverse (1102100022), we get a palindrome (221103301122).

The spelling of 220001201100 in words is "two hundred twenty billion, one million, two hundred one thousand, one hundred".