1222021100110 has 32 divisors (see below), whose sum is σ = 2230604655840. Its totient is φ = 481931970048.

The previous prime is 1222021100089. The next prime is 1222021100123. The reversal of 1222021100110 is 110011202221.

It is a super-2 number, since 2×1222021100110² (a number of 25 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 15 ways as a sum of consecutive naturals, for example, 1646626 + ... + 2270554.

It is an arithmetic number, because the mean of its divisors is an integer number (69706395495).

Almost surely, 2^{1222021100110} is an apocalyptic number.

1222021100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222021100110 is a deficient number, since it is larger than the sum of its proper divisors (1008583555730).

1222021100110 is a wasteful number, since it uses less digits than its factorization.

1222021100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626692.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1222021100110 its reverse (110011202221), we get a palindrome (1332032302331).

The spelling of 1222021100110 in words is "one trillion, two hundred twenty-two billion, twenty-one million, one hundred thousand, one hundred ten".