211111030229 has 4 divisors (see below), whose sum is σ = 230302942080. Its totient is φ = 191919118380.

The previous prime is 211111030217. The next prime is 211111030241. The reversal of 211111030229 is 922030111112.

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 an interprime number because it is at equal distance from previous prime (211111030217) and next prime (211111030241).

It is not a de Polignac number, because 211111030229 - 2¹⁶ = 211110964693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211111030289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9595955909 + ... + 9595955930.

It is an arithmetic number, because the mean of its divisors is an integer number (57575735520).

Almost surely, 2^211111030229 is an apocalyptic number.

It is an amenable number.

211111030229 is a deficient number, since it is larger than the sum of its proper divisors (19191911851).

211111030229 is a wasteful number, since it uses less digits than its factorization.

211111030229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19191911850.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 211111030229 in words is "two hundred eleven billion, one hundred eleven million, thirty thousand, two hundred twenty-nine".