121220201095 has 32 divisors (see below), whose sum is σ = 169867699200. Its totient is φ = 83009676960.

The previous prime is 121220201041. The next prime is 121220201107. The reversal of 121220201095 is 590102022121.

It is not a de Polignac number, because 121220201095 - 2²¹ = 121218103943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1226680 + ... + 1321810.

It is an arithmetic number, because the mean of its divisors is an integer number (5308365600).

Almost surely, 2^121220201095 is an apocalyptic number.

121220201095 is a deficient number, since it is larger than the sum of its proper divisors (48647498105).

121220201095 is an frugal number, since it uses more digits than its factorization.

121220201095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95900 (or 95886 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 121220201095 in words is "one hundred twenty-one billion, two hundred twenty million, two hundred one thousand, ninety-five".