211122033031 has 72 divisors (see below), whose sum is σ = 283890096000. Its totient is φ = 156012816960.

The previous prime is 211122033013. The next prime is 211122033047. The reversal of 211122033031 is 130330221112.

211122033031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211122033031 - 2⁷ = 211122032903 is a prime.

It is a super-2 number, since 2×211122033031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122033631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11161620 + ... + 11180518.

It is an arithmetic number, because the mean of its divisors is an integer number (3942918000).

Almost surely, 2^211122033031 is an apocalyptic number.

211122033031 is a deficient number, since it is larger than the sum of its proper divisors (72768062969).

211122033031 is a wasteful number, since it uses less digits than its factorization.

211122033031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19029 (or 19009 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211122033031 its reverse (130330221112), we get a palindrome (341452254143).

The spelling of 211122033031 in words is "two hundred eleven billion, one hundred twenty-two million, thirty-three thousand, thirty-one".