21200222002102 has 32 divisors (see below), whose sum is σ = 37440872862624. Its totient is φ = 8875902547200.

The previous prime is 21200222002051. The next prime is 21200222002129. The reversal of 21200222002102 is 20120022200212.

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, 80265823 + ... + 80529514.

It is an arithmetic number, because the mean of its divisors is an integer number (1170027276957).

Almost surely, 2^{21200222002102} is an apocalyptic number.

21200222002102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21200222002102 is a deficient number, since it is larger than the sum of its proper divisors (16240650860522).

21200222002102 is a wasteful number, since it uses less digits than its factorization.

21200222002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160795824.

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

Adding to 21200222002102 its reverse (20120022200212), we get a palindrome (41320244202314).

It can be divided in two parts, 2120022200210 and 2, that added together give a palindrome (2120022200212).

The spelling of 21200222002102 in words is "twenty-one trillion, two hundred billion, two hundred twenty-two million, two thousand, one hundred two".