21222011112002 has 16 divisors (see below), whose sum is σ = 32780161741824. Its totient is φ = 10298000532000.

The previous prime is 21222011111999. The next prime is 21222011112017. The reversal of 21222011112002 is 20021111022212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677484374 + ... + 677515697.

It is an arithmetic number, because the mean of its divisors is an integer number (2048760108864).

Almost surely, 2^{21222011112002} is an apocalyptic number.

21222011112002 is a deficient number, since it is larger than the sum of its proper divisors (11558150629822).

21222011112002 is a wasteful number, since it uses less digits than its factorization.

21222011112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355000305.

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

Adding to 21222011112002 its reverse (20021111022212), we get a palindrome (41243122134214).

The spelling of 21222011112002 in words is "twenty-one trillion, two hundred twenty-two billion, eleven million, one hundred twelve thousand, two".