21113033102 has 8 divisors (see below), whose sum is σ = 36193771056. Its totient is φ = 9048442752.

The previous prime is 21113033101. The next prime is 21113033191. The reversal of 21113033102 is 20133031112.

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

It is a super-2 number, since 2×21113033102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113033101) by changing a digit.

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, 754036883 + ... + 754036910.

It is an arithmetic number, because the mean of its divisors is an integer number (4524221382).

Almost surely, 2^21113033102 is an apocalyptic number.

21113033102 is a deficient number, since it is larger than the sum of its proper divisors (15080737954).

21113033102 is a wasteful number, since it uses less digits than its factorization.

21113033102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508073802.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21113033102 its reverse (20133031112), we get a palindrome (41246064214).

The spelling of 21113033102 in words is "twenty-one billion, one hundred thirteen million, thirty-three thousand, one hundred two".