10402021210042 has 64 divisors (see below), whose sum is σ = 19815881472000. Its totient is φ = 3977391862080.

The previous prime is 10402021210019. The next prime is 10402021210067. The reversal of 10402021210042 is 24001212020401.

It is a super-3 number, since 3×10402021210042³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4486888 + ... + 6398140.

It is an arithmetic number, because the mean of its divisors is an integer number (309623148000).

Almost surely, 2^{10402021210042} is an apocalyptic number.

10402021210042 is a deficient number, since it is larger than the sum of its proper divisors (9413860261958).

10402021210042 is a wasteful number, since it uses less digits than its factorization.

10402021210042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911931.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10402021210042 its reverse (24001212020401), we get a palindrome (34403233230443).

The spelling of 10402021210042 in words is "ten trillion, four hundred two billion, twenty-one million, two hundred ten thousand, forty-two".