2121301100222 has 4 divisors (see below), whose sum is σ = 3181951650336. Its totient is φ = 1060650550110.

The previous prime is 2121301100221. The next prime is 2121301100257. The reversal of 2121301100222 is 2220011031212.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2121301100222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121301100221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530325275054 + ... + 530325275057.

It is an arithmetic number, because the mean of its divisors is an integer number (795487912584).

Almost surely, 2^{2121301100222} is an apocalyptic number.

2121301100222 is a deficient number, since it is larger than the sum of its proper divisors (1060650550114).

2121301100222 is a wasteful number, since it uses less digits than its factorization.

2121301100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060650550113.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2121301100222 its reverse (2220011031212), we get a palindrome (4341312131434).

The spelling of 2121301100222 in words is "two trillion, one hundred twenty-one billion, three hundred one million, one hundred thousand, two hundred twenty-two".