10451142021 has 8 divisors (see below), whose sum is σ = 13970679840. Its totient is φ = 6949516112.

The previous prime is 10451142007. The next prime is 10451142029. The reversal of 10451142021 is 12024115401.

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

It is a cyclic number.

It is not a de Polignac number, because 10451142021 - 2⁹ = 10451141509 is a prime.

It is a super-2 number, since 2×10451142021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10451142029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4476615 + ... + 4478948.

It is an arithmetic number, because the mean of its divisors is an integer number (1746334980).

Almost surely, 2^10451142021 is an apocalyptic number.

It is an amenable number.

10451142021 is a deficient number, since it is larger than the sum of its proper divisors (3519537819).

10451142021 is an equidigital number, since it uses as much as digits as its factorization.

10451142021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8955955.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 10451142021 its reverse (12024115401), we get a palindrome (22475257422).

The spelling of 10451142021 in words is "ten billion, four hundred fifty-one million, one hundred forty-two thousand, twenty-one".