1222100121095 has 24 divisors (see below), whose sum is σ = 1768877502624. Its totient is φ = 793905634368.

The previous prime is 1222100121041. The next prime is 1222100121097. The reversal of 1222100121095 is 5901210012221.

It is not a de Polignac number, because 1222100121095 - 2¹⁰ = 1222100120071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222100121097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48349064 + ... + 48374333.

It is an arithmetic number, because the mean of its divisors is an integer number (73703229276).

Almost surely, 2^{1222100121095} is an apocalyptic number.

1222100121095 is a deficient number, since it is larger than the sum of its proper divisors (546777381529).

1222100121095 is an equidigital number, since it uses as much as digits as its factorization.

1222100121095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96723447 (or 96723428 counting only the distinct ones).

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

The spelling of 1222100121095 in words is "one trillion, two hundred twenty-two billion, one hundred million, one hundred twenty-one thousand, ninety-five".