11212210102122 has 48 divisors (see below), whose sum is σ = 24707395589760. Its totient is φ = 3673681905600.

The previous prime is 11212210102117. The next prime is 11212210102123. The reversal of 11212210102122 is 22120101221211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11212210102095 and 11212210102104.

It is not an unprimeable number, because it can be changed into a prime (11212210102123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9948222 + ... + 11017782.

It is an arithmetic number, because the mean of its divisors is an integer number (514737408120).

Almost surely, 2^{11212210102122} is an apocalyptic number.

11212210102122 is an abundant number, since it is smaller than the sum of its proper divisors (13495185487638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11212210102122 is a wasteful number, since it uses less digits than its factorization.

11212210102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079499 (or 1079496 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11212210102122 its reverse (22120101221211), we get a palindrome (33332311323333).

The spelling of 11212210102122 in words is "eleven trillion, two hundred twelve billion, two hundred ten million, one hundred two thousand, one hundred twenty-two".