10142603653221 has 24 divisors (see below), whose sum is σ = 15778478177280. Its totient is φ = 6241169173536.

The previous prime is 10142603653141. The next prime is 10142603653229. The reversal of 10142603653221 is 12235630624101.

10142603653221 is a `hidden beast` number, since 1 + 0 + 1 + 4 + 260 + 365 + 32 + 2 + 1 = 666.

It is not a de Polignac number, because 10142603653221 - 2⁴³ = 1346510631013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142603653229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1309941 + ... + 4690538.

It is an arithmetic number, because the mean of its divisors is an integer number (657436590720).

Almost surely, 2^{10142603653221} is an apocalyptic number.

It is an amenable number.

10142603653221 is a deficient number, since it is larger than the sum of its proper divisors (5635874524059).

10142603653221 is a wasteful number, since it uses less digits than its factorization.

10142603653221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6014945 (or 6014942 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 10142603653221 in words is "ten trillion, one hundred forty-two billion, six hundred three million, six hundred fifty-three thousand, two hundred twenty-one".