1102253766621 has 48 divisors (see below), whose sum is σ = 1729494777024. Its totient is φ = 622553250816.

The previous prime is 1102253766599. The next prime is 1102253766623. The reversal of 1102253766621 is 1266673522011.

It is not a de Polignac number, because 1102253766621 - 2⁶ = 1102253766557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102253766623) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10972206 + ... + 11072208.

It is an arithmetic number, because the mean of its divisors is an integer number (36031141188).

Almost surely, 2^{1102253766621} is an apocalyptic number.

It is an amenable number.

1102253766621 is a deficient number, since it is larger than the sum of its proper divisors (627241010403).

1102253766621 is a wasteful number, since it uses less digits than its factorization.

1102253766621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100890 (or 100883 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 1102253766621 in words is "one trillion, one hundred two billion, two hundred fifty-three million, seven hundred sixty-six thousand, six hundred twenty-one".