1220113111022 has 32 divisors (see below), whose sum is σ = 2013196695552. Its totient is φ = 551062887264.

The previous prime is 1220113111003. The next prime is 1220113111111. The reversal of 1220113111022 is 2201113110221.

It is a happy number.

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, 8239883 + ... + 8386649.

It is an arithmetic number, because the mean of its divisors is an integer number (62912396736).

Almost surely, 2^{1220113111022} is an apocalyptic number.

1220113111022 is a deficient number, since it is larger than the sum of its proper divisors (793083584530).

1220113111022 is a wasteful number, since it uses less digits than its factorization.

1220113111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153632.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1220113111022 its reverse (2201113110221), we get a palindrome (3421226221243).

The spelling of 1220113111022 in words is "one trillion, two hundred twenty billion, one hundred thirteen million, one hundred eleven thousand, twenty-two".