2112222100002 has 32 divisors (see below), whose sum is σ = 4829399113344. Its totient is φ = 603309168000.

The previous prime is 2112222099947. The next prime is 2112222100031. The reversal of 2112222100002 is 2000012222112.

It is a super-2 number, since 2×2112222100002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7478899 + ... + 7756182.

It is an arithmetic number, because the mean of its divisors is an integer number (150918722292).

Almost surely, 2^{2112222100002} is an apocalyptic number.

2112222100002 is an abundant number, since it is smaller than the sum of its proper divisors (2717177013342).

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

2112222100002 is a wasteful number, since it uses less digits than its factorization.

2112222100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15238394.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2112222100002 its reverse (2000012222112), we get a palindrome (4112234322114).

The spelling of 2112222100002 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, one hundred thousand, two".