211422402101 has 4 divisors (see below), whose sum is σ = 211842725472. Its totient is φ = 211002078732.

The previous prime is 211422402089. The next prime is 211422402109. The reversal of 211422402101 is 101204224112.

211422402101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211422402101 - 2³⁴ = 194242532917 is a prime.

It is a super-2 number, since 2×211422402101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211422402109) 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 3 ways as a sum of consecutive naturals, for example, 210160931 + ... + 210161936.

It is an arithmetic number, because the mean of its divisors is an integer number (52960681368).

Almost surely, 2^211422402101 is an apocalyptic number.

It is an amenable number.

211422402101 is a deficient number, since it is larger than the sum of its proper divisors (420323371).

211422402101 is an equidigital number, since it uses as much as digits as its factorization.

211422402101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420323370.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211422402101 its reverse (101204224112), we get a palindrome (312626626213).

The spelling of 211422402101 in words is "two hundred eleven billion, four hundred twenty-two million, four hundred two thousand, one hundred one".