211422535036 has 96 divisors (see below), whose sum is σ = 440799045120. Its totient is φ = 87958886400.

The previous prime is 211422535007. The next prime is 211422535039. The reversal of 211422535036 is 630535224112.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 211422534992 and 211422535010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211422535039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1131591 + ... + 1305121.

It is an arithmetic number, because the mean of its divisors is an integer number (4591656720).

Almost surely, 2^211422535036 is an apocalyptic number.

It is an amenable number.

211422535036 is an abundant number, since it is smaller than the sum of its proper divisors (229376510084).

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

211422535036 is a wasteful number, since it uses less digits than its factorization.

211422535036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173635 (or 173633 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 211422535036 its reverse (630535224112), we get a palindrome (841957759148).

The spelling of 211422535036 in words is "two hundred eleven billion, four hundred twenty-two million, five hundred thirty-five thousand, thirty-six".