1222101220111 has 16 divisors (see below), whose sum is σ = 1317597166080. Its totient is φ = 1130756667040.

The previous prime is 1222101220099. The next prime is 1222101220117. The reversal of 1222101220111 is 1110221012221.

It is not a de Polignac number, because 1222101220111 - 2¹⁷ = 1222101089039 is a prime.

It is a super-3 number, since 3×1222101220111³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222101220117) 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, 6973621 + ... + 7146718.

It is an arithmetic number, because the mean of its divisors is an integer number (82349822880).

Almost surely, 2^{1222101220111} is an apocalyptic number.

1222101220111 is a deficient number, since it is larger than the sum of its proper divisors (95495945969).

1222101220111 is a wasteful number, since it uses less digits than its factorization.

1222101220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14120486.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1222101220111 its reverse (1110221012221), we get a palindrome (2332322232332).

The spelling of 1222101220111 in words is "one trillion, two hundred twenty-two billion, one hundred one million, two hundred twenty thousand, one hundred eleven".