12212001111022 has 4 divisors (see below), whose sum is σ = 18318001666536. Its totient is φ = 6106000555510.

The previous prime is 12212001110983. The next prime is 12212001111053. The reversal of 12212001111022 is 22011110021221.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12212001111022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12212001110987 and 12212001111005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053000277754 + ... + 3053000277757.

It is an arithmetic number, because the mean of its divisors is an integer number (4579500416634).

Almost surely, 2^{12212001111022} is an apocalyptic number.

12212001111022 is a deficient number, since it is larger than the sum of its proper divisors (6106000555514).

12212001111022 is an equidigital number, since it uses as much as digits as its factorization.

12212001111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106000555513.

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

Adding to 12212001111022 its reverse (22011110021221), we get a palindrome (34223111132243).

The spelling of 12212001111022 in words is "twelve trillion, two hundred twelve billion, one million, one hundred eleven thousand, twenty-two".