1121100201091 has 16 divisors (see below), whose sum is σ = 1219455679680. Its totient is φ = 1024478467200.

The previous prime is 1121100201071. The next prime is 1121100201121. The reversal of 1121100201091 is 1901020011211.

It is a cyclic number.

It is not a de Polignac number, because 1121100201091 - 2²⁷ = 1120965983363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121100201031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10502101 + ... + 10608313.

It is an arithmetic number, because the mean of its divisors is an integer number (76215979980).

Almost surely, 2^{1121100201091} is an apocalyptic number.

1121100201091 is a deficient number, since it is larger than the sum of its proper divisors (98355478589).

1121100201091 is a wasteful number, since it uses less digits than its factorization.

1121100201091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114366.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 1121100201091 in words is "one trillion, one hundred twenty-one billion, one hundred million, two hundred one thousand, ninety-one".