102220121195 has 8 divisors (see below), whose sum is σ = 123476491680. Its totient is φ = 81234532800.

The previous prime is 102220121189. The next prime is 102220121197. The reversal of 102220121195 is 591121022201.

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

It is not a de Polignac number, because 102220121195 - 2⁶ = 102220121131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102220121197) 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, 67694690 + ... + 67696199.

It is an arithmetic number, because the mean of its divisors is an integer number (15434561460).

Almost surely, 2^102220121195 is an apocalyptic number.

102220121195 is a deficient number, since it is larger than the sum of its proper divisors (21256370485).

102220121195 is a wasteful number, since it uses less digits than its factorization.

102220121195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135391045.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 102220121195 its reverse (591121022201), we get a palindrome (693341143396).

The spelling of 102220121195 in words is "one hundred two billion, two hundred twenty million, one hundred twenty-one thousand, one hundred ninety-five".