121415211422 has 16 divisors (see below), whose sum is σ = 185147761392. Its totient is φ = 59699713920.

The previous prime is 121415211409. The next prime is 121415211427. The reversal of 121415211422 is 224112514121.

It is a junction number, because it is equal to n+sod(n) for n = 121415211391 and 121415211400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121415211427) 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, 484373 + ... + 690975.

It is an arithmetic number, because the mean of its divisors is an integer number (11571735087).

Almost surely, 2^121415211422 is an apocalyptic number.

121415211422 is a deficient number, since it is larger than the sum of its proper divisors (63732549970).

121415211422 is a wasteful number, since it uses less digits than its factorization.

121415211422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211483.

The product of its digits is 1280, while the sum is 26.

Adding to 121415211422 its reverse (224112514121), we get a palindrome (345527725543).

The spelling of 121415211422 in words is "one hundred twenty-one billion, four hundred fifteen million, two hundred eleven thousand, four hundred twenty-two".