1020112210220 has 24 divisors (see below), whose sum is σ = 2142294234864. Its totient is φ = 408033723456.

The previous prime is 1020112210177. The next prime is 1020112210237. The reversal of 1020112210220 is 220122110201.

It is a junction number, because it is equal to n+sod(n) for n = 1020112210195 and 1020112210204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72707 + ... + 1430213.

It is an arithmetic number, because the mean of its divisors is an integer number (89262259786).

Almost surely, 2^{1020112210220} is an apocalyptic number.

1020112210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020112210220 is an abundant number, since it is smaller than the sum of its proper divisors (1122182024644).

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

1020112210220 is a wasteful number, since it uses less digits than its factorization.

1020112210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395089 (or 1395087 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1020112210220 its reverse (220122110201), we get a palindrome (1240234320421).

The spelling of 1020112210220 in words is "one trillion, twenty billion, one hundred twelve million, two hundred ten thousand, two hundred twenty".