101221110194 has 16 divisors (see below), whose sum is σ = 152394717600. Its totient is φ = 50422925280.

The previous prime is 101221110191. The next prime is 101221110203. The reversal of 101221110194 is 491011122101.

It is not an unprimeable number, because it can be changed into a prime (101221110191) 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, 7242257 + ... + 7256219.

It is an arithmetic number, because the mean of its divisors is an integer number (9524669850).

Almost surely, 2^101221110194 is an apocalyptic number.

101221110194 is a deficient number, since it is larger than the sum of its proper divisors (51173607406).

101221110194 is a wasteful number, since it uses less digits than its factorization.

101221110194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27145.

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

Adding to 101221110194 its reverse (491011122101), we get a palindrome (592232232295).

The spelling of 101221110194 in words is "one hundred one billion, two hundred twenty-one million, one hundred ten thousand, one hundred ninety-four".