1220221110110 has 32 divisors (see below), whose sum is σ = 2312377200000. Its totient is φ = 462323717280.

The previous prime is 1220221110041. The next prime is 1220221110139. The reversal of 1220221110110 is 110111220221.

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, 641141 + ... + 1688639.

It is an arithmetic number, because the mean of its divisors is an integer number (72261787500).

Almost surely, 2^{1220221110110} is an apocalyptic number.

1220221110110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220221110110 is a deficient number, since it is larger than the sum of its proper divisors (1092156089890).

1220221110110 is a wasteful number, since it uses less digits than its factorization.

1220221110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053656.

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

Adding to 1220221110110 its reverse (110111220221), we get a palindrome (1330332330331).

It can be divided in two parts, 1220221 and 110110, that added together give a palindrome (1330331).

The spelling of 1220221110110 in words is "one trillion, two hundred twenty billion, two hundred twenty-one million, one hundred ten thousand, one hundred ten".