1211020223003 has 8 divisors (see below), whose sum is σ = 1217736287040. Its totient is φ = 1204322636160.

The previous prime is 1211020222991. The next prime is 1211020223033. The reversal of 1211020223003 is 3003220201121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1211020223003 - 2²⁸ = 1210751787547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211020223033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4487843 + ... + 4750028.

It is an arithmetic number, because the mean of its divisors is an integer number (152217035880).

Almost surely, 2^{1211020223003} is an apocalyptic number.

1211020223003 is a deficient number, since it is larger than the sum of its proper divisors (6716064037).

1211020223003 is an equidigital number, since it uses as much as digits as its factorization.

1211020223003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9238597.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1211020223003 its reverse (3003220201121), we get a palindrome (4214240424124).

The spelling of 1211020223003 in words is "one trillion, two hundred eleven billion, twenty million, two hundred twenty-three thousand, three".