21200222200102 has 32 divisors (see below), whose sum is σ = 34948382684544. Its totient is φ = 9565060852800.

The previous prime is 21200222200043. The next prime is 21200222200121. The reversal of 21200222200102 is 20100222200212.

It is a congruent 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, 27013413 + ... + 27787135.

It is an arithmetic number, because the mean of its divisors is an integer number (1092136958892).

Almost surely, 2^{21200222200102} is an apocalyptic number.

21200222200102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21200222200102 is a deficient number, since it is larger than the sum of its proper divisors (13748160484442).

21200222200102 is a wasteful number, since it uses less digits than its factorization.

21200222200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782964.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 21200222200102 its reverse (20100222200212), we get a palindrome (41300444400314).

The spelling of 21200222200102 in words is "twenty-one trillion, two hundred billion, two hundred twenty-two million, two hundred thousand, one hundred two".