21433234102 has 32 divisors (see below), whose sum is σ = 38222150400. Its totient is φ = 8819347488.

The previous prime is 21433234099. The next prime is 21433234117. The reversal of 21433234102 is 20143233412.

It is a super-2 number, since 2×21433234102² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 74788 + ... + 220135.

It is an arithmetic number, because the mean of its divisors is an integer number (1194442200).

Almost surely, 2^21433234102 is an apocalyptic number.

21433234102 is a deficient number, since it is larger than the sum of its proper divisors (16788916298).

21433234102 is a wasteful number, since it uses less digits than its factorization.

21433234102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295140.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21433234102 its reverse (20143233412), we get a palindrome (41576467514).

The spelling of 21433234102 in words is "twenty-one billion, four hundred thirty-three million, two hundred thirty-four thousand, one hundred two".