1122021021212 has 36 divisors (see below), whose sum is σ = 2459815321320. Its totient is φ = 443876446944.

The previous prime is 1122021021193. The next prime is 1122021021241. The reversal of 1122021021212 is 2121201202211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220174262 + ... + 220179357.

It is an arithmetic number, because the mean of its divisors is an integer number (68328203370).

Almost surely, 2^{1122021021212} is an apocalyptic number.

It is an amenable number.

1122021021212 is an abundant number, since it is smaller than the sum of its proper divisors (1337794300108).

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

1122021021212 is a wasteful number, since it uses less digits than its factorization.

1122021021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440353650 (or 440353641 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1122021021212 its reverse (2121201202211), we get a palindrome (3243222223423).

The spelling of 1122021021212 in words is "one trillion, one hundred twenty-two billion, twenty-one million, twenty-one thousand, two hundred twelve".