21122110002202 has 32 divisors (see below), whose sum is σ = 34906384923264. Its totient is φ = 9505704072000.

The previous prime is 21122110002181. The next prime is 21122110002221. The reversal of 21122110002202 is 20220001122112.

It is a happy number.

It is a super-2 number, since 2×21122110002202² (a number of 27 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, 195497548 + ... + 195605560.

It is an arithmetic number, because the mean of its divisors is an integer number (1090824528852).

Almost surely, 2^{21122110002202} is an apocalyptic number.

21122110002202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21122110002202 is a deficient number, since it is larger than the sum of its proper divisors (13784274921062).

21122110002202 is a wasteful number, since it uses less digits than its factorization.

21122110002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196134.

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

Adding to 21122110002202 its reverse (20220001122112), we get a palindrome (41342111124314).

The spelling of 21122110002202 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred ten million, two thousand, two hundred two".