1101889401 has 16 divisors (see below), whose sum is σ = 1551210240. Its totient is φ = 693815760.

The previous prime is 1101889379. The next prime is 1101889427. The reversal of 1101889401 is 1049881011.

It is not a de Polignac number, because 1101889401 - 2⁶ = 1101889337 is a prime.

It is a super-2 number, since 2×1101889401² = 2428320504072277602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1101889441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10335 + ... + 48068.

It is an arithmetic number, because the mean of its divisors is an integer number (96950640).

Almost surely, 2^1101889401 is an apocalyptic number.

It is an amenable number.

1101889401 is a deficient number, since it is larger than the sum of its proper divisors (449320839).

1101889401 is a wasteful number, since it uses less digits than its factorization.

1101889401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58756.

The product of its (nonzero) digits is 2304, while the sum is 33.

The square root of 1101889401 is about 33194.7194746393. The cubic root of 1101889401 is about 1032.8708049893.

The spelling of 1101889401 in words is "one billion, one hundred one million, eight hundred eighty-nine thousand, four hundred one".