10142403362421 has 32 divisors (see below), whose sum is σ = 15021546828288. Its totient is φ = 6035442114240.

The previous prime is 10142403362417. The next prime is 10142403362471. The reversal of 10142403362421 is 12426330424101.

It is not a de Polignac number, because 10142403362421 - 2² = 10142403362417 is a prime.

It is a super-3 number, since 3×10142403362421³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142403362471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6792310 + ... + 8149863.

It is an arithmetic number, because the mean of its divisors is an integer number (469423338384).

Almost surely, 2^{10142403362421} is an apocalyptic number.

10142403362421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10142403362421 is a deficient number, since it is larger than the sum of its proper divisors (4879143465867).

10142403362421 is a wasteful number, since it uses less digits than its factorization.

10142403362421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14942561.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 10142403362421 its reverse (12426330424101), we get a palindrome (22568733786522).

The spelling of 10142403362421 in words is "ten trillion, one hundred forty-two billion, four hundred three million, three hundred sixty-two thousand, four hundred twenty-one".