1121002102090 has 32 divisors (see below), whose sum is σ = 2267498572416. Its totient is φ = 395912447040.

The previous prime is 1121002102039. The next prime is 1121002102163. The reversal of 1121002102090 is 902012001211.

It is a happy number.

It is a super-3 number, since 3×1121002102090³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187455556 + ... + 187461535.

It is an arithmetic number, because the mean of its divisors is an integer number (70859330388).

Almost surely, 2^{1121002102090} is an apocalyptic number.

1121002102090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121002102090 is an abundant number, since it is smaller than the sum of its proper divisors (1146496470326).

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

1121002102090 is a wasteful number, since it uses less digits than its factorization.

1121002102090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374917134.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 1121002102090 in words is "one trillion, one hundred twenty-one billion, two million, one hundred two thousand, ninety".