1121002120099 has 32 divisors (see below), whose sum is σ = 1187870261760. Its totient is φ = 1055803795200.

The previous prime is 1121002120097. The next prime is 1121002120123. The reversal of 1121002120099 is 9900212001211.

It is a cyclic number.

It is not a de Polignac number, because 1121002120099 - 2¹ = 1121002120097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121002120097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238966344 + ... + 238971034.

It is an arithmetic number, because the mean of its divisors is an integer number (37120945680).

Almost surely, 2^{1121002120099} is an apocalyptic number.

1121002120099 is a deficient number, since it is larger than the sum of its proper divisors (66868141661).

1121002120099 is a wasteful number, since it uses less digits than its factorization.

1121002120099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5451.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 1121002120099 in words is "one trillion, one hundred twenty-one billion, two million, one hundred twenty thousand, ninety-nine".