2212122211022 has 4 divisors (see below), whose sum is σ = 3318183316536. Its totient is φ = 1106061105510.

The previous prime is 2212122210979. The next prime is 2212122211027. The reversal of 2212122211022 is 2201122212122.

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

It is a junction number, because it is equal to n+sod(n) for n = 2212122210985 and 2212122211003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212122211027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553030552754 + ... + 553030552757.

It is an arithmetic number, because the mean of its divisors is an integer number (829545829134).

Almost surely, 2^{2212122211022} is an apocalyptic number.

2212122211022 is a deficient number, since it is larger than the sum of its proper divisors (1106061105514).

2212122211022 is a wasteful number, since it uses less digits than its factorization.

2212122211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106061105513.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2212122211022 its reverse (2201122212122), we get a palindrome (4413244423144).

The spelling of 2212122211022 in words is "two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred eleven thousand, twenty-two".