42021111110 has 24 divisors (see below), whose sum is σ = 83139291648. Its totient is φ = 15280403600.

The previous prime is 42021111091. The next prime is 42021111131. The reversal of 42021111110 is 1111112024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17362886 + ... + 17365305.

It is an arithmetic number, because the mean of its divisors is an integer number (3464137152).

Almost surely, 2^42021111110 is an apocalyptic number.

42021111110 is a deficient number, since it is larger than the sum of its proper divisors (41118180538).

42021111110 is a wasteful number, since it uses less digits than its factorization.

42021111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34728220 (or 34728209 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 42021111110 its reverse (1111112024), we get a palindrome (43132223134).

The spelling of 42021111110 in words is "forty-two billion, twenty-one million, one hundred eleven thousand, one hundred ten".