21100303322102 has 16 divisors (see below), whose sum is σ = 31711622772480. Its totient is φ = 10529781253992.

The previous prime is 21100303322101. The next prime is 21100303322239. The reversal of 21100303322102 is 20122330300112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21100303322101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2474378 + ... + 6951485.

It is an arithmetic number, because the mean of its divisors is an integer number (1981976423280).

Almost surely, 2^{21100303322102} is an apocalyptic number.

21100303322102 is a deficient number, since it is larger than the sum of its proper divisors (10611319450378).

21100303322102 is a wasteful number, since it uses less digits than its factorization.

21100303322102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9428027.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21100303322102 its reverse (20122330300112), we get a palindrome (41222633622214).

The spelling of 21100303322102 in words is "twenty-one trillion, one hundred billion, three hundred three million, three hundred twenty-two thousand, one hundred two".