2112022212102 has 48 divisors (see below), whose sum is σ = 5036230010448. Its totient is φ = 634342947840.

The previous prime is 2112022212073. The next prime is 2112022212107. The reversal of 2112022212102 is 2012122202112.

It is a happy number.

2112022212102 is a `hidden beast` number, since 211 + 20 + 2 + 221 + 210 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112022212107) 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, 47175763 + ... + 47220510.

It is an arithmetic number, because the mean of its divisors is an integer number (104921458551).

Almost surely, 2^{2112022212102} is an apocalyptic number.

2112022212102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2112022212102 is an abundant number, since it is smaller than the sum of its proper divisors (2924207798346).

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

2112022212102 is a wasteful number, since it uses less digits than its factorization.

2112022212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94396405 (or 94396402 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2112022212102 its reverse (2012122202112), we get a palindrome (4124144414214).

It can be divided in two parts, 21120 and 22212102, that added together give a palindrome (22233222).

The spelling of 2112022212102 in words is "two trillion, one hundred twelve billion, twenty-two million, two hundred twelve thousand, one hundred two".