212101001122 has 4 divisors (see below), whose sum is σ = 318151501686. Its totient is φ = 106050500560.

The previous prime is 212101001117. The next prime is 212101001141. The reversal of 212101001122 is 221100101212.

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., 141382768081 + 70718233041 = 376009^2 + 265929^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53025250279 + ... + 53025250282.

Almost surely, 2^212101001122 is an apocalyptic number.

212101001122 is a deficient number, since it is larger than the sum of its proper divisors (106050500564).

212101001122 is a wasteful number, since it uses less digits than its factorization.

212101001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106050500563.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212101001122 its reverse (221100101212), we get a palindrome (433201102334).

The spelling of 212101001122 in words is "two hundred twelve billion, one hundred one million, one thousand, one hundred twenty-two".