200120021111192 has 64 divisors (see below), whose sum is σ = 464914866024000. Its totient is φ = 78637028682240.

The previous prime is 200120021111191. The next prime is 200120021111203. The reversal of 200120021111192 is 291111120021002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120021111191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922341659 + ... + 922558602.

It is an arithmetic number, because the mean of its divisors is an integer number (7264294781625).

Almost surely, 2^{200120021111192} is an apocalyptic number.

It is an amenable number.

200120021111192 is an abundant number, since it is smaller than the sum of its proper divisors (264794844912808).

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

200120021111192 is a wasteful number, since it uses less digits than its factorization.

200120021111192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844900436 (or 1844900432 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 23.

Adding to 200120021111192 its reverse (291111120021002), we get a palindrome (491231141132194).

The spelling of 200120021111192 in words is "two hundred trillion, one hundred twenty billion, twenty-one million, one hundred eleven thousand, one hundred ninety-two".