221102111201000 has 64 divisors (see below), whose sum is σ = 517514994060480. Its totient is φ = 88417587412800.

The previous prime is 221102111200939. The next prime is 221102111201119. The reversal of 221102111201000 is 102111201122.

It is a super-2 number, since 2×221102111201000² (a number of 29 digits) contains 22 as substring.

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, 25266434 + ... + 32872433.

It is an arithmetic number, because the mean of its divisors is an integer number (8086171782195).

Almost surely, 2^{221102111201000} is an apocalyptic number.

221102111201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221102111201000 is an abundant number, since it is smaller than the sum of its proper divisors (296412882859480).

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

221102111201000 is a wasteful number, since it uses less digits than its factorization.

221102111201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58142691 (or 58142677 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221102111201000 its reverse (102111201122), we get a palindrome (221204222402122).

The spelling of 221102111201000 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred eleven million, two hundred one thousand".