2211122571106 has 24 divisors (see below), whose sum is σ = 3404477813760. Its totient is φ = 1077030414936.

The previous prime is 2211122571079. The next prime is 2211122571113. The reversal of 2211122571106 is 6011752211122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635755 + ... + 2196913.

It is an arithmetic number, because the mean of its divisors is an integer number (141853242240).

Almost surely, 2^{2211122571106} is an apocalyptic number.

2211122571106 is a deficient number, since it is larger than the sum of its proper divisors (1193355242654).

2211122571106 is a wasteful number, since it uses less digits than its factorization.

2211122571106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561630 (or 1561587 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 31.

Adding to 2211122571106 its reverse (6011752211122), we get a palindrome (8222874782228).

The spelling of 2211122571106 in words is "two trillion, two hundred eleven billion, one hundred twenty-two million, five hundred seventy-one thousand, one hundred six".