1011190912121 has 8 divisors (see below), whose sum is σ = 1107432029760. Its totient is φ = 917586537552.

The previous prime is 1011190912097. The next prime is 1011190912153. The reversal of 1011190912121 is 1212190911101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011190912121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011190912021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659184965 + ... + 659186498.

It is an arithmetic number, because the mean of its divisors is an integer number (138429003720).

Almost surely, 2^{1011190912121} is an apocalyptic number.

It is an amenable number.

1011190912121 is a deficient number, since it is larger than the sum of its proper divisors (96241117639).

1011190912121 is a wasteful number, since it uses less digits than its factorization.

1011190912121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318371535.

The product of its (nonzero) digits is 324, while the sum is 29.

The spelling of 1011190912121 in words is "one trillion, eleven billion, one hundred ninety million, nine hundred twelve thousand, one hundred twenty-one".