101210200194 has 16 divisors (see below), whose sum is σ = 202433736960. Its totient is φ = 33734510640.

The previous prime is 101210200193. The next prime is 101210200253. The reversal of 101210200194 is 491002012101.

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 101210200194.

It is not an unprimeable number, because it can be changed into a prime (101210200193) 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, 455649 + ... + 640340.

It is an arithmetic number, because the mean of its divisors is an integer number (12652108560).

Almost surely, 2^101210200194 is an apocalyptic number.

101210200194 is an abundant number, since it is smaller than the sum of its proper divisors (101223536766).

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

101210200194 is a wasteful number, since it uses less digits than its factorization.

101210200194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111385.

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

Adding to 101210200194 its reverse (491002012101), we get a palindrome (592212212295).

The spelling of 101210200194 in words is "one hundred one billion, two hundred ten million, two hundred thousand, one hundred ninety-four".