1900011201121 has 8 divisors (see below), whose sum is σ = 2091082320864. Its totient is φ = 1711997219520.

The previous prime is 1900011201097. The next prime is 1900011201197. The reversal of 1900011201121 is 1211021100091.

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

It is a cyclic number.

It is not a de Polignac number, because 1900011201121 - 2⁹ = 1900011200609 is a prime.

It is a super-2 number, since 2×1900011201121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1900011204121) 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, 764283231 + ... + 764285716.

It is an arithmetic number, because the mean of its divisors is an integer number (261385290108).

Almost surely, 2^{1900011201121} is an apocalyptic number.

1900011201121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1900011201121 is a deficient number, since it is larger than the sum of its proper divisors (191071119743).

1900011201121 is a wasteful number, since it uses less digits than its factorization.

1900011201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528569071.

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

The spelling of 1900011201121 in words is "one trillion, nine hundred billion, eleven million, two hundred one thousand, one hundred twenty-one".