2211210003122 has 4 divisors (see below), whose sum is σ = 3316815004686. Its totient is φ = 1105605001560.

The previous prime is 2211210003091. The next prime is 2211210003133. The reversal of 2211210003122 is 2213000121122.

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., 1871065601161 + 340144401961 = 1367869^2 + 583219^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2211210003122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552802500779 + ... + 552802500782.

Almost surely, 2^{2211210003122} is an apocalyptic number.

2211210003122 is a deficient number, since it is larger than the sum of its proper divisors (1105605001564).

2211210003122 is a wasteful number, since it uses less digits than its factorization.

2211210003122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105605001563.

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

Adding to 2211210003122 its reverse (2213000121122), we get a palindrome (4424210124244).

The spelling of 2211210003122 in words is "two trillion, two hundred eleven billion, two hundred ten million, three thousand, one hundred twenty-two".