2231121003 has 32 divisors (see below), whose sum is σ = 3217536000. Its totient is φ = 1370979456.

The previous prime is 2231120993. The next prime is 2231121031. The reversal of 2231121003 is 3001211322.

2231121003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2231121003 is a prime.

It is a super-3 number, since 3×2231121003³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231121203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1594098 + ... + 1595496.

It is an arithmetic number, because the mean of its divisors is an integer number (100548000).

Almost surely, 2^2231121003 is an apocalyptic number.

2231121003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2231121003 is a deficient number, since it is larger than the sum of its proper divisors (986414997).

2231121003 is a wasteful number, since it uses less digits than its factorization.

2231121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2231121003 is about 47234.7436004473. The cubic root of 2231121003 is about 1306.6954379063.

Adding to 2231121003 its reverse (3001211322), we get a palindrome (5232332325).

It can be divided in two parts, 223112 and 1003, that added together give a triangular number (224115 = T₆₆₉).

The spelling of 2231121003 in words is "two billion, two hundred thirty-one million, one hundred twenty-one thousand, three".