1220110121022 has 16 divisors (see below), whose sum is σ = 2627929491600. Its totient is φ = 375418498752.

The previous prime is 1220110120993. The next prime is 1220110121051. The reversal of 1220110121022 is 2201210110221.

It is an interprime number because it is at equal distance from previous prime (1220110120993) and next prime (1220110121051).

It is a junction number, because it is equal to n+sod(n) for n = 1220110120992 and 1220110121010.

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, 7821218647 + ... + 7821218802.

It is an arithmetic number, because the mean of its divisors is an integer number (164245593225).

Almost surely, 2^{1220110121022} is an apocalyptic number.

1220110121022 is an abundant number, since it is smaller than the sum of its proper divisors (1407819370578).

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

1220110121022 is a wasteful number, since it uses less digits than its factorization.

1220110121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15642437467.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1220110121022 its reverse (2201210110221), we get a palindrome (3421320231243).

The spelling of 1220110121022 in words is "one trillion, two hundred twenty billion, one hundred ten million, one hundred twenty-one thousand, twenty-two".