1422543265121 has 4 divisors (see below), whose sum is σ = 1551865380144. Its totient is φ = 1293221150100.

The previous prime is 1422543265109. The next prime is 1422543265147. The reversal of 1422543265121 is 1215623452241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1422543265121 - 2²² = 1422539070817 is a prime.

It is a super-2 number, since 2×1422543265121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1422503265121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64661057495 + ... + 64661057516.

It is an arithmetic number, because the mean of its divisors is an integer number (387966345036).

Almost surely, 2^{1422543265121} is an apocalyptic number.

1422543265121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1422543265121 is a deficient number, since it is larger than the sum of its proper divisors (129322115023).

1422543265121 is a wasteful number, since it uses less digits than its factorization.

1422543265121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129322115022.

The product of its digits is 115200, while the sum is 38.

The spelling of 1422543265121 in words is "one trillion, four hundred twenty-two billion, five hundred forty-three million, two hundred sixty-five thousand, one hundred twenty-one".