211423051042 has 16 divisors (see below), whose sum is σ = 367849062720. Its totient is φ = 89257492368.

The previous prime is 211423051031. The next prime is 211423051121. The reversal of 211423051042 is 240150324112.

It is a junction number, because it is equal to n+sod(n) for n = 211423050998 and 211423051016.

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, 112697917 + ... + 112699792.

It is an arithmetic number, because the mean of its divisors is an integer number (22990566420).

Almost surely, 2^211423051042 is an apocalyptic number.

211423051042 is a deficient number, since it is larger than the sum of its proper divisors (156426011678).

211423051042 is a wasteful number, since it uses less digits than its factorization.

211423051042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225397785.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 211423051042 its reverse (240150324112), we get a palindrome (451573375154).

The spelling of 211423051042 in words is "two hundred eleven billion, four hundred twenty-three million, fifty-one thousand, forty-two".