121031112442 has 16 divisors (see below), whose sum is σ = 186059744640. Its totient is φ = 59029656192.

The previous prime is 121031112437. The next prime is 121031112457. The reversal of 121031112442 is 244211130121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4601463 + ... + 4627690.

It is an arithmetic number, because the mean of its divisors is an integer number (11628734040).

Almost surely, 2^121031112442 is an apocalyptic number.

121031112442 is a deficient number, since it is larger than the sum of its proper divisors (65028632198).

121031112442 is an equidigital number, since it uses as much as digits as its factorization.

121031112442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9229317.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121031112442 its reverse (244211130121), we get a palindrome (365242242563).

The spelling of 121031112442 in words is "one hundred twenty-one billion, thirty-one million, one hundred twelve thousand, four hundred forty-two".