1222011100011 has 64 divisors (see below), whose sum is σ = 1884850007040. Its totient is φ = 697569546240.

The previous prime is 1222011100003. The next prime is 1222011100069. The reversal of 1222011100011 is 1100011102221.

It is not a de Polignac number, because 1222011100011 - 2³ = 1222011100003 is a prime.

It is a super-2 number, since 2×1222011100011² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1222011100011.

It is not an unprimeable number, because it can be changed into a prime (1222011100411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14366575 + ... + 14451383.

It is an arithmetic number, because the mean of its divisors is an integer number (29450781360).

Almost surely, 2^{1222011100011} is an apocalyptic number.

1222011100011 is a deficient number, since it is larger than the sum of its proper divisors (662838907029).

1222011100011 is a wasteful number, since it uses less digits than its factorization.

1222011100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85156.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1222011100011 its reverse (1100011102221), we get a palindrome (2322022202232).

The spelling of 1222011100011 in words is "one trillion, two hundred twenty-two billion, eleven million, one hundred thousand, eleven".