12220001022111 has 8 divisors (see below), whose sum is σ = 16293353960064. Its totient is φ = 8146657716120.

The previous prime is 12220001022107. The next prime is 12220001022133. The reversal of 12220001022111 is 11122010002221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12220001022111 - 2² = 12220001022107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220001022311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1422996 + ... + 5144406.

It is an arithmetic number, because the mean of its divisors is an integer number (2036669245008).

Almost surely, 2^{12220001022111} is an apocalyptic number.

12220001022111 is a deficient number, since it is larger than the sum of its proper divisors (4073352937953).

12220001022111 is a wasteful number, since it uses less digits than its factorization.

12220001022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815981.

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

Adding to 12220001022111 its reverse (11122010002221), we get a palindrome (23342011024332).

The spelling of 12220001022111 in words is "twelve trillion, two hundred twenty billion, one million, twenty-two thousand, one hundred eleven".