1110021220212 has 12 divisors (see below), whose sum is σ = 2590049513856. Its totient is φ = 370007073400.

The previous prime is 1110021220169. The next prime is 1110021220289. The reversal of 1110021220212 is 2120221200111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1110021220191 and 1110021220200.

It is a congruent number.

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, 46250884164 + ... + 46250884187.

It is an arithmetic number, because the mean of its divisors is an integer number (215837459488).

Almost surely, 2^{1110021220212} is an apocalyptic number.

1110021220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1110021220212 is an abundant number, since it is smaller than the sum of its proper divisors (1480028293644).

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

1110021220212 is a wasteful number, since it uses less digits than its factorization.

1110021220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92501768358 (or 92501768356 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1110021220212 its reverse (2120221200111), we get a palindrome (3230242420323).

The spelling of 1110021220212 in words is "one trillion, one hundred ten billion, twenty-one million, two hundred twenty thousand, two hundred twelve".