2111212212202 has 8 divisors (see below), whose sum is σ = 3195871697700. Its totient is φ = 1045921646304.

The previous prime is 2111212212163. The next prime is 2111212212233. The reversal of 2111212212202 is 2022122121112.

It can be written as a sum of positive squares in 2 ways, for example, as 1886032542241 + 225179669961 = 1373329^2 + 474531^2 .

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 2111212212202.

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, 4842229627 + ... + 4842230062.

Almost surely, 2^{2111212212202} is an apocalyptic number.

2111212212202 is a deficient number, since it is larger than the sum of its proper divisors (1084659485498).

2111212212202 is a wasteful number, since it uses less digits than its factorization.

2111212212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9684459800.

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

Adding to 2111212212202 its reverse (2022122121112), we get a palindrome (4133334333314).

The spelling of 2111212212202 in words is "two trillion, one hundred eleven billion, two hundred twelve million, two hundred twelve thousand, two hundred two".