1101920001 has 32 divisors (see below), whose sum is σ = 1811147520. Its totient is φ = 580310784.

The previous prime is 1101919997. The next prime is 1101920009. The reversal of 1101920001 is 1000291011.

It is not a de Polignac number, because 1101920001 - 2² = 1101919997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101920009) 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, 190711 + ... + 196403.

It is an arithmetic number, because the mean of its divisors is an integer number (56598360).

Almost surely, 2^1101920001 is an apocalyptic number.

It is an amenable number.

1101920001 is a deficient number, since it is larger than the sum of its proper divisors (709227519).

1101920001 is a wasteful number, since it uses less digits than its factorization.

1101920001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6425.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 1101920001 is about 33195.1803881226. The cubic root of 1101920001 is about 1032.8803660076.

The spelling of 1101920001 in words is "one billion, one hundred one million, nine hundred twenty thousand, one".