2223133121000 has 96 divisors (see below), whose sum is σ = 5718045682440. Its totient is φ = 808412000000.

The previous prime is 2223133120991. The next prime is 2223133121003. The reversal of 2223133121000 is 1213313222.

It can be written as a sum of positive squares in 4 ways, for example, as 1015213426084 + 1207919694916 = 1007578^2 + 1099054^2 .

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 (2223133121003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9065501 + ... + 9307500.

Almost surely, 2^{2223133121000} is an apocalyptic number.

2223133121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223133121000 is an abundant number, since it is smaller than the sum of its proper divisors (3494912561440).

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

2223133121000 is a wasteful number, since it uses less digits than its factorization.

2223133121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18373044 (or 18373019 counting only the distinct ones).

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

Adding to 2223133121000 its reverse (1213313222), we get a palindrome (2224346434222).

The spelling of 2223133121000 in words is "two trillion, two hundred twenty-three billion, one hundred thirty-three million, one hundred twenty-one thousand".