1202220021112 has 32 divisors (see below), whose sum is σ = 2459195394480. Its totient is φ = 546439426560.

The previous prime is 1202220021091. The next prime is 1202220021131. The reversal of 1202220021112 is 2111200222021.

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 7 ways as a sum of consecutive naturals, for example, 1774618 + ... + 2356630.

Almost surely, 2^{1202220021112} is an apocalyptic number.

It is an amenable number.

1202220021112 is an abundant number, since it is smaller than the sum of its proper divisors (1256975373368).

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

1202220021112 is a wasteful number, since it uses less digits than its factorization.

1202220021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605503 (or 605499 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1202220021112 its reverse (2111200222021), we get a palindrome (3313420243133).

The spelling of 1202220021112 in words is "one trillion, two hundred two billion, two hundred twenty million, twenty-one thousand, one hundred twelve".