21001301102 has 8 divisors (see below), whose sum is σ = 31512722976. Its totient is φ = 10497060112.

The previous prime is 21001301089. The next prime is 21001301131. The reversal of 21001301102 is 20110310012.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1787903 + ... + 1799610.

It is an arithmetic number, because the mean of its divisors is an integer number (3939090372).

Almost surely, 2^21001301102 is an apocalyptic number.

21001301102 is a deficient number, since it is larger than the sum of its proper divisors (10511421874).

21001301102 is a wasteful number, since it uses less digits than its factorization.

21001301102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590442.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 21001301102 its reverse (20110310012), we get a palindrome (41111611114).

The spelling of 21001301102 in words is "twenty-one billion, one million, three hundred one thousand, one hundred two".