12220111010101 has 4 divisors (see below), whose sum is σ = 12338752864672. Its totient is φ = 12101469155532.

The previous prime is 12220111010083. The next prime is 12220111010167. The reversal of 12220111010101 is 10101011102221.

It is a happy number.

12220111010101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12220111010101 - 2¹⁹ = 12220110485813 is a prime.

It is a super-2 number, since 2×12220111010101² (a number of 27 digits) contains 22 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 (12220111016101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59320927131 + ... + 59320927336.

It is an arithmetic number, because the mean of its divisors is an integer number (3084688216168).

Almost surely, 2^{12220111010101} is an apocalyptic number.

It is an amenable number.

12220111010101 is a deficient number, since it is larger than the sum of its proper divisors (118641854571).

12220111010101 is a wasteful number, since it uses less digits than its factorization.

12220111010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118641854570.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12220111010101 its reverse (10101011102221), we get a palindrome (22321122112322).

The spelling of 12220111010101 in words is "twelve trillion, two hundred twenty billion, one hundred eleven million, ten thousand, one hundred one".