211130310442 has 16 divisors (see below), whose sum is σ = 341008081920. Its totient is φ = 97671448768.

The previous prime is 211130310437. The next prime is 211130310473. The reversal of 211130310442 is 244013031112.

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, 52622698 + ... + 52626709.

It is an arithmetic number, because the mean of its divisors is an integer number (21313005120).

Almost surely, 2^211130310442 is an apocalyptic number.

211130310442 is a deficient number, since it is larger than the sum of its proper divisors (129877771478).

211130310442 is a wasteful number, since it uses less digits than its factorization.

211130310442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105249485.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 211130310442 its reverse (244013031112), we get a palindrome (455143341554).

The spelling of 211130310442 in words is "two hundred eleven billion, one hundred thirty million, three hundred ten thousand, four hundred forty-two".