2221201011122 has 4 divisors (see below), whose sum is σ = 3331801516686. Its totient is φ = 1110600505560.

The previous prime is 2221201011109. The next prime is 2221201011181. The reversal of 2221201011122 is 2211101021222.

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., 1475377051801 + 745823959321 = 1214651^2 + 863611^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2221201011122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555300252779 + ... + 555300252782.

Almost surely, 2^{2221201011122} is an apocalyptic number.

2221201011122 is a deficient number, since it is larger than the sum of its proper divisors (1110600505564).

2221201011122 is a wasteful number, since it uses less digits than its factorization.

2221201011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110600505563.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2221201011122 its reverse (2211101021222), we get a palindrome (4432302032344).

The spelling of 2221201011122 in words is "two trillion, two hundred twenty-one billion, two hundred one million, eleven thousand, one hundred twenty-two".