211222321412140 has 24 divisors (see below), whose sum is σ = 444673026790272. Its totient is φ = 84278232979200.

The previous prime is 211222321412077. The next prime is 211222321412143. The reversal of 211222321412140 is 41214123222112.

It is a happy number.

It is a super-2 number, since 2×211222321412140² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211222321412099 and 211222321412108.

It is not an unprimeable number, because it can be changed into a prime (211222321412143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13168465884 + ... + 13168481923.

It is an arithmetic number, because the mean of its divisors is an integer number (18528042782928).

Almost surely, 2^{211222321412140} is an apocalyptic number.

211222321412140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211222321412140 is an abundant number, since it is smaller than the sum of its proper divisors (233450705378132).

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

211222321412140 is a wasteful number, since it uses less digits than its factorization.

211222321412140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26336948217 (or 26336948215 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 211222321412140 its reverse (41214123222112), we get a palindrome (252436444634252).

The spelling of 211222321412140 in words is "two hundred eleven trillion, two hundred twenty-two billion, three hundred twenty-one million, four hundred twelve thousand, one hundred forty".