220201121000 has 64 divisors (see below), whose sum is σ = 588880730880. Its totient is φ = 75497524800.

The previous prime is 220201120991. The next prime is 220201121071. The reversal of 220201121000 is 121102022.

It is a happy 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, 15721652 + ... + 15735651.

It is an arithmetic number, because the mean of its divisors is an integer number (9201261420).

Almost surely, 2^220201121000 is an apocalyptic number.

220201121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220201121000 is an abundant number, since it is smaller than the sum of its proper divisors (368679609880).

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

220201121000 is a wasteful number, since it uses less digits than its factorization.

220201121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31457331 (or 31457317 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 220201121000 its reverse (121102022), we get a palindrome (220322223022).

The spelling of 220201121000 in words is "two hundred twenty billion, two hundred one million, one hundred twenty-one thousand".