42211031142 has 64 divisors (see below), whose sum is σ = 105062515200. Its totient is φ = 11031552000.

The previous prime is 42211031131. The next prime is 42211031143. The reversal of 42211031142 is 24113011224.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42211031143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 888859 + ... + 935142.

It is an arithmetic number, because the mean of its divisors is an integer number (1641601800).

Almost surely, 2^42211031142 is an apocalyptic number.

42211031142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42211031142 is an abundant number, since it is smaller than the sum of its proper divisors (62851484058).

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

42211031142 is a wasteful number, since it uses less digits than its factorization.

42211031142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824061.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 42211031142 its reverse (24113011224), we get a palindrome (66324042366).

The spelling of 42211031142 in words is "forty-two billion, two hundred eleven million, thirty-one thousand, one hundred forty-two".