21102202211002 has 32 divisors (see below), whose sum is σ = 35289882676224. Its totient is φ = 9381356334000.

The previous prime is 21102202210997. The next prime is 21102202211023. The reversal of 21102202211002 is 20011220220112.

It is a happy number.

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, 5532168 + ... + 8532835.

It is an arithmetic number, because the mean of its divisors is an integer number (1102808833632).

Almost surely, 2^{21102202211002} is an apocalyptic number.

21102202211002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21102202211002 is a deficient number, since it is larger than the sum of its proper divisors (14187680465222).

21102202211002 is a wasteful number, since it uses less digits than its factorization.

21102202211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14066514.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21102202211002 its reverse (20011220220112), we get a palindrome (41113422431114).

The spelling of 21102202211002 in words is "twenty-one trillion, one hundred two billion, two hundred two million, two hundred eleven thousand, two".