1102221111020 has 12 divisors (see below), whose sum is σ = 2314664333184. Its totient is φ = 440888444400.

The previous prime is 1102221111011. The next prime is 1102221111127. The reversal of 1102221111020 is 201111222011.

It is a junction number, because it is equal to n+sod(n) for n = 1102221110986 and 1102221111004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27555527756 + ... + 27555527795.

It is an arithmetic number, because the mean of its divisors is an integer number (192888694432).

Almost surely, 2^{1102221111020} is an apocalyptic number.

1102221111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102221111020 is an abundant number, since it is smaller than the sum of its proper divisors (1212443222164).

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

1102221111020 is a wasteful number, since it uses less digits than its factorization.

1102221111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55111055560 (or 55111055558 counting only the distinct ones).

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

Adding to 1102221111020 its reverse (201111222011), we get a palindrome (1303332333031).

The spelling of 1102221111020 in words is "one trillion, one hundred two billion, two hundred twenty-one million, one hundred eleven thousand, twenty".