1102220320212 has 72 divisors (see below), whose sum is σ = 3041630155200. Its totient is φ = 333767243520.

The previous prime is 1102220320093. The next prime is 1102220320297. The reversal of 1102220320212 is 2120230222011.

1102220320212 is a `hidden beast` number, since 1 + 102 + 220 + 320 + 21 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 440773 + ... + 1548780.

Almost surely, 2^{1102220320212} is an apocalyptic number.

1102220320212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102220320212 is an abundant number, since it is smaller than the sum of its proper divisors (1939409834988).

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

1102220320212 is a wasteful number, since it uses less digits than its factorization.

1102220320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990973 (or 1990968 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1102220320212 its reverse (2120230222011), we get a palindrome (3222450542223).

The spelling of 1102220320212 in words is "one trillion, one hundred two billion, two hundred twenty million, three hundred twenty thousand, two hundred twelve".