233300121222 has 128 divisors (see below), whose sum is σ = 560356392960. Its totient is φ = 63356296320.

The previous prime is 233300121221. The next prime is 233300121251. The reversal of 233300121222 is 222121003332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233300121221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18689179 + ... + 18701657.

It is an arithmetic number, because the mean of its divisors is an integer number (4377784320).

Almost surely, 2^233300121222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233300121222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280178196480).

233300121222 is an abundant number, since it is smaller than the sum of its proper divisors (327056271738).

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

233300121222 is a wasteful number, since it uses less digits than its factorization.

233300121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12778.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 233300121222 its reverse (222121003332), we get a palindrome (455421124554).

The spelling of 233300121222 in words is "two hundred thirty-three billion, three hundred million, one hundred twenty-one thousand, two hundred twenty-two".