212011222120202 has 4 divisors (see below), whose sum is σ = 318016833180306. Its totient is φ = 106005611060100.

The previous prime is 212011222120151. The next prime is 212011222120253. The reversal of 212011222120202 is 202021222110212.

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

It is an interprime number because it is at equal distance from previous prime (212011222120151) and next prime (212011222120253).

It can be written as a sum of positive squares in only one way, i.e., 198323819397001 + 13687402723201 = 14082749^2 + 3699649^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53002805530049 + ... + 53002805530052.

Almost surely, 2^{212011222120202} is an apocalyptic number.

212011222120202 is a deficient number, since it is larger than the sum of its proper divisors (106005611060104).

212011222120202 is a wasteful number, since it uses less digits than its factorization.

212011222120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106005611060103.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212011222120202 its reverse (202021222110212), we get a palindrome (414032444230414).

The spelling of 212011222120202 in words is "two hundred twelve trillion, eleven billion, two hundred twenty-two million, one hundred twenty thousand, two hundred two".