1220221101110 has 96 divisors (see below), whose sum is σ = 2557293016320. Its totient is φ = 417443051520.

The previous prime is 1220221101103. The next prime is 1220221101167. The reversal of 1220221101110 is 111011220221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55918922 + ... + 55940738.

It is an arithmetic number, because the mean of its divisors is an integer number (26638468920).

Almost surely, 2^{1220221101110} is an apocalyptic number.

1220221101110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220221101110 is an abundant number, since it is smaller than the sum of its proper divisors (1337071915210).

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

1220221101110 is a wasteful number, since it uses less digits than its factorization.

1220221101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24582 (or 24571 counting only the distinct ones).

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

Adding to 1220221101110 its reverse (111011220221), we get a palindrome (1331232321331).

The spelling of 1220221101110 in words is "one trillion, two hundred twenty billion, two hundred twenty-one million, one hundred one thousand, one hundred ten".