1122100221202 has 4 divisors (see below), whose sum is σ = 1683150331806. Its totient is φ = 561050110600.

The previous prime is 1122100221181. The next prime is 1122100221227. The reversal of 1122100221202 is 2021220012211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1122050814361 + 49406841 = 1059269^2 + 7029^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280525055299 + ... + 280525055302.

Almost surely, 2^{1122100221202} is an apocalyptic number.

1122100221202 is a deficient number, since it is larger than the sum of its proper divisors (561050110604).

1122100221202 is an equidigital number, since it uses as much as digits as its factorization.

1122100221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561050110603.

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

Adding to 1122100221202 its reverse (2021220012211), we get a palindrome (3143320233413).

The spelling of 1122100221202 in words is "one trillion, one hundred twenty-two billion, one hundred million, two hundred twenty-one thousand, two hundred two".