2001120212223 has 48 divisors (see below), whose sum is σ = 3163075948032. Its totient is φ = 1209038400000.

The previous prime is 2001120212219. The next prime is 2001120212249. The reversal of 2001120212223 is 3222120211002.

2001120212223 is a `hidden beast` number, since 200 + 11 + 20 + 212 + 223 = 666.

It is not a de Polignac number, because 2001120212223 - 2² = 2001120212219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2001120212196 and 2001120212205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001120212293) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42429711 + ... + 42476847.

It is an arithmetic number, because the mean of its divisors is an integer number (65897415584).

Almost surely, 2^{2001120212223} is an apocalyptic number.

2001120212223 is a deficient number, since it is larger than the sum of its proper divisors (1161955735809).

2001120212223 is a wasteful number, since it uses less digits than its factorization.

2001120212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48476 (or 48473 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2001120212223 its reverse (3222120211002), we get a palindrome (5223240423225).

The spelling of 2001120212223 in words is "two trillion, one billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty-three".