121031113442 has 8 divisors (see below), whose sum is σ = 184972079196. Its totient is φ = 59373753712.

The previous prime is 121031113417. The next prime is 121031113453. The reversal of 121031113442 is 244311130121.

It can be written as a sum of positive squares in 2 ways, for example, as 106583313841 + 14447799601 = 326471^2 + 120199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570901373 + ... + 570901584.

Almost surely, 2^121031113442 is an apocalyptic number.

121031113442 is a deficient number, since it is larger than the sum of its proper divisors (63940965754).

121031113442 is a wasteful number, since it uses less digits than its factorization.

121031113442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141803012.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121031113442 its reverse (244311130121), we get a palindrome (365342243563).

The spelling of 121031113442 in words is "one hundred twenty-one billion, thirty-one million, one hundred thirteen thousand, four hundred forty-two".