21202202102 has 8 divisors (see below), whose sum is σ = 33186055536. Its totient is φ = 10140183592.

The previous prime is 21202202057. The next prime is 21202202107. The reversal of 21202202102 is 20120220212.

21202202102 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202202107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230458673 + ... + 230458764.

It is an arithmetic number, because the mean of its divisors is an integer number (4148256942).

Almost surely, 2^21202202102 is an apocalyptic number.

21202202102 is a deficient number, since it is larger than the sum of its proper divisors (11983853434).

21202202102 is a wasteful number, since it uses less digits than its factorization.

21202202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460917462.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 21202202102 its reverse (20120220212), we get a palindrome (41322422314).

It can be divided in two parts, 2120220210 and 2, that added together give a palindrome (2120220212).

The spelling of 21202202102 in words is "twenty-one billion, two hundred two million, two hundred two thousand, one hundred two".