2211212233229 has 16 divisors (see below), whose sum is σ = 2345404604400. Its totient is φ = 2077479075840.

The previous prime is 2211212233207. The next prime is 2211212233231. The reversal of 2211212233229 is 9223322121122.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 296890945129 + 1914321288100 = 544877^2 + 1383590^2 .

It is not a de Polignac number, because 2211212233229 - 2²⁴ = 2211195456013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2211212233195 and 2211212233204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211212233289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63719207 + ... + 63753899.

It is an arithmetic number, because the mean of its divisors is an integer number (146587787775).

Almost surely, 2^{2211212233229} is an apocalyptic number.

It is an amenable number.

2211212233229 is a deficient number, since it is larger than the sum of its proper divisors (134192371171).

2211212233229 is a wasteful number, since it uses less digits than its factorization.

2211212233229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41200.

The product of its digits is 10368, while the sum is 32.

The spelling of 2211212233229 in words is "two trillion, two hundred eleven billion, two hundred twelve million, two hundred thirty-three thousand, two hundred twenty-nine".