11420121422 has 4 divisors (see below), whose sum is σ = 17130182136. Its totient is φ = 5710060710.

The previous prime is 11420121353. The next prime is 11420121473. The reversal of 11420121422 is 22412102411.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 11420121394 and 11420121403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2855030354 + ... + 2855030357.

It is an arithmetic number, because the mean of its divisors is an integer number (4282545534).

Almost surely, 2^11420121422 is an apocalyptic number.

11420121422 is a deficient number, since it is larger than the sum of its proper divisors (5710060714).

11420121422 is an equidigital number, since it uses as much as digits as its factorization.

11420121422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710060713.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11420121422 its reverse (22412102411), we get a palindrome (33832223833).

The spelling of 11420121422 in words is "eleven billion, four hundred twenty million, one hundred twenty-one thousand, four hundred twenty-two".