21101130121195 has 8 divisors (see below), whose sum is σ = 25321826278944. Its totient is φ = 16880590674624.

The previous prime is 21101130121187. The next prime is 21101130121213. The reversal of 21101130121195 is 59112103110112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 21101130121195 - 2³ = 21101130121187 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38881359 + ... + 39420328.

It is an arithmetic number, because the mean of its divisors is an integer number (3165228284868).

Almost surely, 2^{21101130121195} is an apocalyptic number.

21101130121195 is a deficient number, since it is larger than the sum of its proper divisors (4220696157749).

21101130121195 is an equidigital number, since it uses as much as digits as its factorization.

21101130121195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78355589.

The product of its (nonzero) digits is 540, while the sum is 28.

The spelling of 21101130121195 in words is "twenty-one trillion, one hundred one billion, one hundred thirty million, one hundred twenty-one thousand, one hundred ninety-five".