2021121110222 has 8 divisors (see below), whose sum is σ = 3033833324400. Its totient is φ = 1009843335424.

The previous prime is 2021121110219. The next prime is 2021121110233. The reversal of 2021121110222 is 2220111211202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2021121110222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358606322 + ... + 358611957.

It is an arithmetic number, because the mean of its divisors is an integer number (379229165550).

Almost surely, 2^{2021121110222} is an apocalyptic number.

2021121110222 is a deficient number, since it is larger than the sum of its proper divisors (1012712214178).

2021121110222 is a wasteful number, since it uses less digits than its factorization.

2021121110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717219690.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2021121110222 its reverse (2220111211202), we get a palindrome (4241232321424).

The spelling of 2021121110222 in words is "two trillion, twenty-one billion, one hundred twenty-one million, one hundred ten thousand, two hundred twenty-two".