21303101021102 has 8 divisors (see below), whose sum is σ = 31954673244096. Its totient is φ = 10651543273072.

The previous prime is 21303101021101. The next prime is 21303101021117. The reversal of 21303101021102 is 20112010130312.

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

It is a super-2 number, since 2×21303101021102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21303101021101) 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, 1520003 + ... + 6701985.

It is an arithmetic number, because the mean of its divisors is an integer number (3994334155512).

Almost surely, 2^{21303101021102} is an apocalyptic number.

21303101021102 is a deficient number, since it is larger than the sum of its proper divisors (10651572222994).

21303101021102 is a wasteful number, since it uses less digits than its factorization.

21303101021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7237482.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21303101021102 its reverse (20112010130312), we get a palindrome (41415111151414).

The spelling of 21303101021102 in words is "twenty-one trillion, three hundred three billion, one hundred one million, twenty-one thousand, one hundred two".