211022012123 has 16 divisors (see below), whose sum is σ = 230040953856. Its totient is φ = 192402130080.

The previous prime is 211022012101. The next prime is 211022012137. The reversal of 211022012123 is 321210220112.

It is a cyclic number.

It is not a de Polignac number, because 211022012123 - 2⁸ = 211022011867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211022012143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5885336 + ... + 5921082.

It is an arithmetic number, because the mean of its divisors is an integer number (14377559616).

Almost surely, 2^211022012123 is an apocalyptic number.

211022012123 is a deficient number, since it is larger than the sum of its proper divisors (19018941733).

211022012123 is a wasteful number, since it uses less digits than its factorization.

211022012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41314.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 211022012123 its reverse (321210220112), we get a palindrome (532232232235).

The spelling of 211022012123 in words is "two hundred eleven billion, twenty-two million, twelve thousand, one hundred twenty-three".