12211211010022 has 8 divisors (see below), whose sum is σ = 18316870580016. Its totient is φ = 6105587483352.

The previous prime is 12211211010001. The next prime is 12211211010043. The reversal of 12211211010022 is 22001011211221.

It is an interprime number because it is at equal distance from previous prime (12211211010001) and next prime (12211211010043).

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

It is a super-2 number, since 2×12211211010022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211211009978 and 12211211010005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8147298 + ... + 9528949.

It is an arithmetic number, because the mean of its divisors is an integer number (2289608822502).

Almost surely, 2^{12211211010022} is an apocalyptic number.

12211211010022 is a deficient number, since it is larger than the sum of its proper divisors (6105659569994).

12211211010022 is a wasteful number, since it uses less digits than its factorization.

12211211010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18021662.

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

Adding to 12211211010022 its reverse (22001011211221), we get a palindrome (34212222221243).

The spelling of 12211211010022 in words is "twelve trillion, two hundred eleven billion, two hundred eleven million, ten thousand, twenty-two".