21142411002402 has 96 divisors (see below), whose sum is σ = 46562606217216. Its totient is φ = 6384803087520.

The previous prime is 21142411002347. The next prime is 21142411002509. The reversal of 21142411002402 is 20420011424112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4537053 + ... + 7929039.

It is an arithmetic number, because the mean of its divisors is an integer number (485027148096).

Almost surely, 2^{21142411002402} is an apocalyptic number.

21142411002402 is an abundant number, since it is smaller than the sum of its proper divisors (25420195214814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21142411002402 is a wasteful number, since it uses less digits than its factorization.

21142411002402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392124 (or 3392093 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 21142411002402 its reverse (20420011424112), we get a palindrome (41562422426514).

The spelling of 21142411002402 in words is "twenty-one trillion, one hundred forty-two billion, four hundred eleven million, two thousand, four hundred two".