1220102110111 has 8 divisors (see below), whose sum is σ = 1249038799184. Its totient is φ = 1191190976640.

The previous prime is 1220102110099. The next prime is 1220102110121. The reversal of 1220102110111 is 1110112010221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220102110111 - 2²⁵ = 1220068555679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220102110091 and 1220102110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220102110121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6292266 + ... + 6483271.

It is an arithmetic number, because the mean of its divisors is an integer number (156129849898).

Almost surely, 2^{1220102110111} is an apocalyptic number.

1220102110111 is a deficient number, since it is larger than the sum of its proper divisors (28936689073).

1220102110111 is a wasteful number, since it uses less digits than its factorization.

1220102110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12777801.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1220102110111 its reverse (1110112010221), we get a palindrome (2330214120332).

The spelling of 1220102110111 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred ten thousand, one hundred eleven".