2021012222203 has 8 divisors (see below), whose sum is σ = 2176974297008. Its totient is φ = 1865121518304.

The previous prime is 2021012222179. The next prime is 2021012222221. The reversal of 2021012222203 is 3022222101202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021012222203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021012222263) 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, 17783901 + ... + 17897182.

It is an arithmetic number, because the mean of its divisors is an integer number (272121787126).

Almost surely, 2^{2021012222203} is an apocalyptic number.

2021012222203 is a deficient number, since it is larger than the sum of its proper divisors (155962074805).

2021012222203 is a wasteful number, since it uses less digits than its factorization.

2021012222203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35685453.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2021012222203 its reverse (3022222101202), we get a palindrome (5043234323405).

The spelling of 2021012222203 in words is "two trillion, twenty-one billion, twelve million, two hundred twenty-two thousand, two hundred three".