1331112022202 has 4 divisors (see below), whose sum is σ = 1996668033306. Its totient is φ = 665556011100.

The previous prime is 1331112022193. The next prime is 1331112022223. The reversal of 1331112022202 is 2022202111331.

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., 1203520896601 + 127591125601 = 1097051^2 + 357199^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332778005549 + ... + 332778005552.

Almost surely, 2^{1331112022202} is an apocalyptic number.

1331112022202 is a deficient number, since it is larger than the sum of its proper divisors (665556011104).

1331112022202 is an equidigital number, since it uses as much as digits as its factorization.

1331112022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665556011103.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1331112022202 its reverse (2022202111331), we get a palindrome (3353314133533).

The spelling of 1331112022202 in words is "one trillion, three hundred thirty-one billion, one hundred twelve million, twenty-two thousand, two hundred two".