211421023022 has 48 divisors (see below), whose sum is σ = 369266551920. Its totient is φ = 90403610880.

The previous prime is 211421023007. The next prime is 211421023027. The reversal of 211421023022 is 220320124112.

It is a junction number, because it is equal to n+sod(n) for n = 211421022985 and 211421023003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211421023027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9315104 + ... + 9337772.

It is an arithmetic number, because the mean of its divisors is an integer number (7693053165).

Almost surely, 2^211421023022 is an apocalyptic number.

211421023022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211421023022 is a deficient number, since it is larger than the sum of its proper divisors (157845528898).

211421023022 is a wasteful number, since it uses less digits than its factorization.

211421023022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24977 (or 24966 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211421023022 its reverse (220320124112), we get a palindrome (431741147134).

The spelling of 211421023022 in words is "two hundred eleven billion, four hundred twenty-one million, twenty-three thousand, twenty-two".