42111021533042 has 16 divisors (see below), whose sum is σ = 78753079230912. Its totient is φ = 16406891506320.

The previous prime is 42111021532967. The next prime is 42111021533101. The reversal of 42111021533042 is 24033512011124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42111021532996 and 42111021533014.

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, 136724095733 + ... + 136724096040.

It is an arithmetic number, because the mean of its divisors is an integer number (4922067451932).

Almost surely, 2^{42111021533042} is an apocalyptic number.

42111021533042 is a deficient number, since it is larger than the sum of its proper divisors (36642057697870).

42111021533042 is a wasteful number, since it uses less digits than its factorization.

42111021533042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273448191793.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 42111021533042 its reverse (24033512011124), we get a palindrome (66144533544166).

The spelling of 42111021533042 in words is "forty-two trillion, one hundred eleven billion, twenty-one million, five hundred thirty-three thousand, forty-two".