212022111102202 has 4 divisors (see below), whose sum is σ = 318033166653306. Its totient is φ = 106011055551100.

The previous prime is 212022111102173. The next prime is 212022111102233. The reversal of 212022111102202 is 202201111220212.

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

It can be written as a sum of positive squares in only one way, i.e., 186881503952521 + 25140607149681 = 13670461^2 + 5014041^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212022111102202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53005527775549 + ... + 53005527775552.

Almost surely, 2^{212022111102202} is an apocalyptic number.

212022111102202 is a deficient number, since it is larger than the sum of its proper divisors (106011055551104).

212022111102202 is a wasteful number, since it uses less digits than its factorization.

212022111102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106011055551103.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212022111102202 its reverse (202201111220212), we get a palindrome (414223222322414).

The spelling of 212022111102202 in words is "two hundred twelve trillion, twenty-two billion, one hundred eleven million, one hundred two thousand, two hundred two".