202101021012194 has 8 divisors (see below), whose sum is σ = 304278488885340. Its totient is φ = 100674858050416.

The previous prime is 202101021012131. The next prime is 202101021012199. The reversal of 202101021012194 is 491210120101202.

202101021012194 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 198100360984969 + 4000660027225 = 14074813^2 + 2000165^2 .

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

It is not an unprimeable number, because it can be changed into a prime (202101021012199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187826227169 + ... + 187826228244.

Almost surely, 2^{202101021012194} is an apocalyptic number.

202101021012194 is a deficient number, since it is larger than the sum of its proper divisors (102177467873146).

202101021012194 is a wasteful number, since it uses less digits than its factorization.

202101021012194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375652455684.

The product of its (nonzero) digits is 576, while the sum is 26.

Adding to 202101021012194 its reverse (491210120101202), we get a palindrome (693311141113396).

The spelling of 202101021012194 in words is "two hundred two trillion, one hundred one billion, twenty-one million, twelve thousand, one hundred ninety-four".