1101112221002 has 4 divisors (see below), whose sum is σ = 1651668331506. Its totient is φ = 550556110500.

The previous prime is 1101112220981. The next prime is 1101112221019. The reversal of 1101112221002 is 2001222111011.

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., 639553677841 + 461558543161 = 799721^2 + 679381^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275278055249 + ... + 275278055252.

Almost surely, 2^{1101112221002} is an apocalyptic number.

1101112221002 is a deficient number, since it is larger than the sum of its proper divisors (550556110504).

1101112221002 is an equidigital number, since it uses as much as digits as its factorization.

1101112221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550556110503.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1101112221002 its reverse (2001222111011), we get a palindrome (3102334332013).

The spelling of 1101112221002 in words is "one trillion, one hundred one billion, one hundred twelve million, two hundred twenty-one thousand, two".