2120011000194 has 64 divisors (see below), whose sum is σ = 4528441958400. Its totient is φ = 659704735872.

The previous prime is 2120011000193. The next prime is 2120011000231. The reversal of 2120011000194 is 4910001100212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2120011000194.

It is not an unprimeable number, because it can be changed into a prime (2120011000193) 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, 9063687 + ... + 9294645.

It is an arithmetic number, because the mean of its divisors is an integer number (70756905600).

Almost surely, 2^{2120011000194} is an apocalyptic number.

2120011000194 is an abundant number, since it is smaller than the sum of its proper divisors (2408430958206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120011000194 is a wasteful number, since it uses less digits than its factorization.

2120011000194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232159.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 2120011000194 in words is "two trillion, one hundred twenty billion, eleven million, one hundred ninety-four", and thus it is an aban number.