1222012102011 has 16 divisors (see below), whose sum is σ = 1701931060224. Its totient is φ = 778456452224.

The previous prime is 1222012102007. The next prime is 1222012102021. The reversal of 1222012102011 is 1102012102221.

It is a cyclic number.

It is not a de Polignac number, because 1222012102011 - 2² = 1222012102007 is a prime.

It is a super-2 number, since 2×1222012102011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222012102021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8996211 + ... + 9131036.

It is an arithmetic number, because the mean of its divisors is an integer number (106370691264).

Almost surely, 2^{1222012102011} is an apocalyptic number.

1222012102011 is a deficient number, since it is larger than the sum of its proper divisors (479918958213).

1222012102011 is a wasteful number, since it uses less digits than its factorization.

1222012102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18128250.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1222012102011 its reverse (1102012102221), we get a palindrome (2324024204232).

The spelling of 1222012102011 in words is "one trillion, two hundred twenty-two billion, twelve million, one hundred two thousand, eleven".