120121113441 has 32 divisors (see below), whose sum is σ = 186113587968. Its totient is φ = 67489539840.

The previous prime is 120121113419. The next prime is 120121113517. The reversal of 120121113441 is 144311121021.

It is not a de Polignac number, because 120121113441 - 2¹³ = 120121105249 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (120131113441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3617671 + ... + 3650723.

It is an arithmetic number, because the mean of its divisors is an integer number (5816049624).

Almost surely, 2^120121113441 is an apocalyptic number.

It is an amenable number.

120121113441 is a deficient number, since it is larger than the sum of its proper divisors (65992474527).

120121113441 is a wasteful number, since it uses less digits than its factorization.

120121113441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35961.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 120121113441 its reverse (144311121021), we get a palindrome (264432234462).

The spelling of 120121113441 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred thirteen thousand, four hundred forty-one".