2011331212223 has 8 divisors (see below), whose sum is σ = 2130746578128. Its totient is φ = 1892038264704.

The previous prime is 2011331212183. The next prime is 2011331212283. The reversal of 2011331212223 is 3222121331102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011331212223 - 2¹⁰ = 2011331211199 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 (2011331212283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30570761 + ... + 30636482.

It is an arithmetic number, because the mean of its divisors is an integer number (266343322266).

Almost surely, 2^{2011331212223} is an apocalyptic number.

2011331212223 is a deficient number, since it is larger than the sum of its proper divisors (119415365905).

2011331212223 is a wasteful number, since it uses less digits than its factorization.

2011331212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61209193.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2011331212223 its reverse (3222121331102), we get a palindrome (5233452543325).

The spelling of 2011331212223 in words is "two trillion, eleven billion, three hundred thirty-one million, two hundred twelve thousand, two hundred twenty-three".