211023112534 has 16 divisors (see below), whose sum is σ = 341009902800. Its totient is φ = 97359164640.

The previous prime is 211023112499. The next prime is 211023112561. The reversal of 211023112534 is 435211320112.

It is a junction number, because it is equal to n+sod(n) for n = 211023112499 and 211023112508.

It is a congruent number.

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, 1433397 + ... + 1573744.

It is an arithmetic number, because the mean of its divisors is an integer number (21313118925).

Almost surely, 2^211023112534 is an apocalyptic number.

211023112534 is a deficient number, since it is larger than the sum of its proper divisors (129986790266).

211023112534 is a wasteful number, since it uses less digits than its factorization.

211023112534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009855.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 211023112534 its reverse (435211320112), we get a palindrome (646234432646).

The spelling of 211023112534 in words is "two hundred eleven billion, twenty-three million, one hundred twelve thousand, five hundred thirty-four".