121144422 has 32 divisors (see below), whose sum is σ = 283659264. Its totient is φ = 33768000.

The previous prime is 121144421. The next prime is 121144433. The reversal of 121144422 is 224441121.

It is a super-3 number, since 3×121144422³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121144421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33454 + ... + 36897.

It is an arithmetic number, because the mean of its divisors is an integer number (8864352).

Almost surely, 2^121144422 is an apocalyptic number.

121144422 is an abundant number, since it is smaller than the sum of its proper divisors (162514842).

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

121144422 is a wasteful number, since it uses less digits than its factorization.

121144422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70404.

The product of its digits is 512, while the sum is 21.

The square root of 121144422 is about 11006.5626786931. The cubic root of 121144422 is about 494.8054495123.

Adding to 121144422 its reverse (224441121), we get a palindrome (345585543).

The spelling of 121144422 in words is "one hundred twenty-one million, one hundred forty-four thousand, four hundred twenty-two".