211421122422 has 32 divisors (see below), whose sum is σ = 451988328960. Its totient is φ = 65765494080.

The previous prime is 211421122411. The next prime is 211421122453. The reversal of 211421122422 is 224221124112.

It is a super-2 number, since 2×211421122422² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211421122392 and 211421122401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18677722 + ... + 18689037.

It is an arithmetic number, because the mean of its divisors is an integer number (14124635280).

Almost surely, 2^211421122422 is an apocalyptic number.

211421122422 is an abundant number, since it is smaller than the sum of its proper divisors (240567206538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211421122422 is a wasteful number, since it uses less digits than its factorization.

211421122422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37366828.

The product of its digits is 1024, while the sum is 24.

Adding to 211421122422 its reverse (224221124112), we get a palindrome (435642246534).

The spelling of 211421122422 in words is "two hundred eleven billion, four hundred twenty-one million, one hundred twenty-two thousand, four hundred twenty-two".