1900910181201 has 16 divisors (see below), whose sum is σ = 2683671652800. Its totient is φ = 1192712956928.

The previous prime is 1900910181161. The next prime is 1900910181211. The reversal of 1900910181201 is 1021810190091.

It is a cyclic number.

It is not a de Polignac number, because 1900910181201 - 2¹¹ = 1900910179153 is a prime.

It is a super-2 number, since 2×1900910181201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1900910181211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4992310 + ... + 5359568.

It is an arithmetic number, because the mean of its divisors is an integer number (167729478300).

Almost surely, 2^{1900910181201} is an apocalyptic number.

It is an amenable number.

1900910181201 is a deficient number, since it is larger than the sum of its proper divisors (782761471599).

1900910181201 is a wasteful number, since it uses less digits than its factorization.

1900910181201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468768.

The product of its (nonzero) digits is 1296, while the sum is 33.

The spelling of 1900910181201 in words is "one trillion, nine hundred billion, nine hundred ten million, one hundred eighty-one thousand, two hundred one".