1900200112101 has 12 divisors (see below), whose sum is σ = 2785699667712. Its totient is φ = 1247892610536.

The previous prime is 1900200112087. The next prime is 1900200112133. The reversal of 1900200112101 is 1012110020091.

It is a happy number.

It is not a de Polignac number, because 1900200112101 - 2¹³ = 1900200103909 is a prime.

It is a super-2 number, since 2×1900200112101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900200112001) 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 11 ways as a sum of consecutive naturals, for example, 1575621381 + ... + 1575622586.

It is an arithmetic number, because the mean of its divisors is an integer number (232141638976).

Almost surely, 2^{1900200112101} is an apocalyptic number.

It is an amenable number.

1900200112101 is a deficient number, since it is larger than the sum of its proper divisors (885499555611).

1900200112101 is a wasteful number, since it uses less digits than its factorization.

1900200112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151244040 (or 3151244037 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1900200112101 its reverse (1012110020091), we get a palindrome (2912310132192).

The spelling of 1900200112101 in words is "one trillion, nine hundred billion, two hundred million, one hundred twelve thousand, one hundred one".