111120620442 has 16 divisors (see below), whose sum is σ = 239336721120. Its totient is φ = 34190960112.

The previous prime is 111120620437. The next prime is 111120620461. The reversal of 111120620442 is 244026021111.

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, 712311592 + ... + 712311747.

It is an arithmetic number, because the mean of its divisors is an integer number (14958545070).

Almost surely, 2^111120620442 is an apocalyptic number.

111120620442 is an abundant number, since it is smaller than the sum of its proper divisors (128216100678).

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

111120620442 is a wasteful number, since it uses less digits than its factorization.

111120620442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424623357.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 111120620442 its reverse (244026021111), we get a palindrome (355146641553).

The spelling of 111120620442 in words is "one hundred eleven billion, one hundred twenty million, six hundred twenty thousand, four hundred forty-two".