2112221022002 has 32 divisors (see below), whose sum is σ = 3899627432064. Its totient is φ = 835573392000.

The previous prime is 2112221022001. The next prime is 2112221022047. The reversal of 2112221022002 is 2002201222112.

It is a happy number.

It is a super-2 number, since 2×2112221022002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112221022001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5155502 + ... + 5550102.

It is an arithmetic number, because the mean of its divisors is an integer number (121863357252).

Almost surely, 2^{2112221022002} is an apocalyptic number.

2112221022002 is a deficient number, since it is larger than the sum of its proper divisors (1787406410062).

2112221022002 is a wasteful number, since it uses less digits than its factorization.

2112221022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424034.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2112221022002 its reverse (2002201222112), we get a palindrome (4114422244114).

The spelling of 2112221022002 in words is "two trillion, one hundred twelve billion, two hundred twenty-one million, twenty-two thousand, two".