10200002021192 has 8 divisors (see below), whose sum is σ = 19125003789750. Its totient is φ = 5100001010592.

The previous prime is 10200002021173. The next prime is 10200002021213. The reversal of 10200002021192 is 29112020000201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9807757846756 + 392244174436 = 3131734^2 + 626294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637500126317 + ... + 637500126332.

Almost surely, 2^{10200002021192} is an apocalyptic number.

It is an amenable number.

10200002021192 is a deficient number, since it is larger than the sum of its proper divisors (8925001768558).

10200002021192 is a wasteful number, since it uses less digits than its factorization.

10200002021192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275000252655 (or 1275000252651 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 10200002021192 its reverse (29112020000201), we get a palindrome (39312022021393).

The spelling of 10200002021192 in words is "ten trillion, two hundred billion, two million, twenty-one thousand, one hundred ninety-two".