2112221211002 has 16 divisors (see below), whose sum is σ = 3621396936960. Its totient is φ = 905126089488.

The previous prime is 2112221210989. The next prime is 2112221211071. The reversal of 2112221211002 is 2001121222112.

It is a super-2 number, since 2×2112221211002² (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 7 ways as a sum of consecutive naturals, for example, 9180002 + ... + 9407277.

It is an arithmetic number, because the mean of its divisors is an integer number (226337308560).

Almost surely, 2^{2112221211002} is an apocalyptic number.

2112221211002 is a deficient number, since it is larger than the sum of its proper divisors (1509175725958).

2112221211002 is a wasteful number, since it uses less digits than its factorization.

2112221211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18595405.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112221211002 its reverse (2001121222112), we get a palindrome (4113342433114).

The spelling of 2112221211002 in words is "two trillion, one hundred twelve billion, two hundred twenty-one million, two hundred eleven thousand, two".