2311221233000 has 64 divisors (see below), whose sum is σ = 5534031222720. Its totient is φ = 902988744000.

The previous prime is 2311221232993. The next prime is 2311221233003. The reversal of 2311221233000 is 3321221132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2311221233003) 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, 26831666 + ... + 26917665.

It is an arithmetic number, because the mean of its divisors is an integer number (86469237855).

Almost surely, 2^{2311221233000} is an apocalyptic number.

2311221233000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311221233000 is an abundant number, since it is smaller than the sum of its proper divisors (3222809989720).

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

2311221233000 is a wasteful number, since it uses less digits than its factorization.

2311221233000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53749395 (or 53749381 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2311221233000 its reverse (3321221132), we get a palindrome (2314542454132).

The spelling of 2311221233000 in words is "two trillion, three hundred eleven billion, two hundred twenty-one million, two hundred thirty-three thousand".