1220002100110 has 32 divisors (see below), whose sum is σ = 2291602586112. Its totient is φ = 466758890400.

The previous prime is 1220002100069. The next prime is 1220002100129. The reversal of 1220002100110 is 110012000221.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 4597677 + ... + 4855783.

It is an arithmetic number, because the mean of its divisors is an integer number (71612580816).

Almost surely, 2^{1220002100110} is an apocalyptic number.

1220002100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220002100110 is a deficient number, since it is larger than the sum of its proper divisors (1071600486002).

1220002100110 is a wasteful number, since it uses less digits than its factorization.

1220002100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278688.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1220002100110 its reverse (110012000221), we get a palindrome (1330014100331).

The spelling of 1220002100110 in words is "one trillion, two hundred twenty billion, two million, one hundred thousand, one hundred ten".