211201423074 has 48 divisors (see below), whose sum is σ = 486980547768. Its totient is φ = 65922909696.

The previous prime is 211201423031. The next prime is 211201423079. The reversal of 211201423074 is 470324102112.

211201423074 is a `hidden beast` number, since 211 + 2 + 0 + 142 + 307 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 172842242049 + 38359181025 = 415743^2 + 195855^2 .

It is a super-2 number, since 2×211201423074² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211201423079) 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, 1691497 + ... + 1812060.

Almost surely, 2^211201423074 is an apocalyptic number.

211201423074 is an abundant number, since it is smaller than the sum of its proper divisors (275779124694).

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

211201423074 is a wasteful number, since it uses less digits than its factorization.

211201423074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503779 (or 3503776 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

Adding to 211201423074 its reverse (470324102112), we get a palindrome (681525525186).

It can be divided in two parts, 21120142 and 3074, that added together give a square (21123216 = 4596²).

The spelling of 211201423074 in words is "two hundred eleven billion, two hundred one million, four hundred twenty-three thousand, seventy-four".