22121143414242 has 32 divisors (see below), whose sum is σ = 44806127443200. Its totient is φ = 7279756917888.

The previous prime is 22121143414229. The next prime is 22121143414273. The reversal of 22121143414242 is 24241434112122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3608638 + ... + 7567334.

It is an arithmetic number, because the mean of its divisors is an integer number (1400191482600).

Almost surely, 2^{22121143414242} is an apocalyptic number.

22121143414242 is an abundant number, since it is smaller than the sum of its proper divisors (22684984028958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22121143414242 is a wasteful number, since it uses less digits than its factorization.

22121143414242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3970570.

The product of its digits is 24576, while the sum is 33.

Adding to 22121143414242 its reverse (24241434112122), we get a palindrome (46362577526364).

The spelling of 22121143414242 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred forty-three million, four hundred fourteen thousand, two hundred forty-two".