21142411220202 has 8 divisors (see below), whose sum is σ = 42284822440416. Its totient is φ = 7047470406732.

The previous prime is 21142411220083. The next prime is 21142411220209. The reversal of 21142411220202 is 20202211424112.

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

21142411220202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (21142411220209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1761867601678 + ... + 1761867601689.

It is an arithmetic number, because the mean of its divisors is an integer number (5285602805052).

Almost surely, 2^{21142411220202} is an apocalyptic number.

21142411220202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21142411220202 is a wasteful number, since it uses less digits than its factorization.

21142411220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523735203372.

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

Adding to 21142411220202 its reverse (20202211424112), we get a palindrome (41344622644314).

The spelling of 21142411220202 in words is "twenty-one trillion, one hundred forty-two billion, four hundred eleven million, two hundred twenty thousand, two hundred two".