100221221222110 has 16 divisors (see below), whose sum is σ = 180412952504976. Its totient is φ = 40085209754368.

The previous prime is 100221221222081. The next prime is 100221221222123. The reversal of 100221221222110 is 11222122122001.

It is a super-2 number, since 2×100221221222110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409713427 + ... + 409957966.

It is an arithmetic number, because the mean of its divisors is an integer number (11275809531561).

Almost surely, 2^{100221221222110} is an apocalyptic number.

100221221222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100221221222110 is a deficient number, since it is larger than the sum of its proper divisors (80191731282866).

100221221222110 is a wasteful number, since it uses less digits than its factorization.

100221221222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819683627.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100221221222110 its reverse (11222122122001), we get a palindrome (111443343344111).

The spelling of 100221221222110 in words is "one hundred trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred ten".