211101426 has 12 divisors (see below), whose sum is σ = 457386462. Its totient is φ = 70367136.

The previous prime is 211101409. The next prime is 211101431. The reversal of 211101426 is 624101112.

211101426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 197374401 + 13727025 = 14049^2 + 3705^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11727857 = 211101426 / (2 + 1 + 1 + 1 + 0 + 1 + 4 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 211101399 and 211101408.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5863911 + ... + 5863946.

Almost surely, 2^211101426 is an apocalyptic number.

211101426 is an abundant number, since it is smaller than the sum of its proper divisors (246285036).

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

211101426 is a wasteful number, since it uses less digits than its factorization.

211101426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11727865 (or 11727862 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 211101426 is about 14529.3298537820. The cubic root of 211101426 is about 595.4295568149.

Adding to 211101426 its reverse (624101112), we get a palindrome (835202538).

The spelling of 211101426 in words is "two hundred eleven million, one hundred one thousand, four hundred twenty-six".