111021122021202 has 48 divisors (see below), whose sum is σ = 245667425133312. Its totient is φ = 36219116364480.

The previous prime is 111021122021167. The next prime is 111021122021209. The reversal of 111021122021202 is 202120221120111.

111021122021202 is a `hidden beast` number, since 1 + 1 + 10 + 211 + 220 + 21 + 202 = 666.

111021122021202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (111021122021209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57836563 + ... + 59725289.

It is an arithmetic number, because the mean of its divisors is an integer number (5118071356944).

Almost surely, 2^{111021122021202} is an apocalyptic number.

111021122021202 is an abundant number, since it is smaller than the sum of its proper divisors (134646303112110).

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

111021122021202 is a wasteful number, since it uses less digits than its factorization.

111021122021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958263 (or 1958260 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111021122021202 its reverse (202120221120111), we get a palindrome (313141343141313).

The spelling of 111021122021202 in words is "one hundred eleven trillion, twenty-one billion, one hundred twenty-two million, twenty-one thousand, two hundred two".