121142114443 has 16 divisors (see below), whose sum is σ = 140817024000. Its totient is φ = 102059986752.

The previous prime is 121142114407. The next prime is 121142114453. The reversal of 121142114443 is 344411241121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121142114443 - 2¹⁷ = 121141983371 is a prime.

It is a super-3 number, since 3×121142114443³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121142114453) 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, 3089998 + ... + 3128956.

It is an arithmetic number, because the mean of its divisors is an integer number (8801064000).

Almost surely, 2^121142114443 is an apocalyptic number.

121142114443 is a deficient number, since it is larger than the sum of its proper divisors (19674909557).

121142114443 is an equidigital number, since it uses as much as digits as its factorization.

121142114443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46554.

The product of its digits is 3072, while the sum is 28.

Adding to 121142114443 its reverse (344411241121), we get a palindrome (465553355564).

The spelling of 121142114443 in words is "one hundred twenty-one billion, one hundred forty-two million, one hundred fourteen thousand, four hundred forty-three".