1042401021202 has 16 divisors (see below), whose sum is σ = 1599993454752. Its totient is φ = 509070310560.

The previous prime is 1042401021197. The next prime is 1042401021223. The reversal of 1042401021202 is 2021201042401.

It is a self number, because there is not a number n which added to its sum of digits gives 1042401021202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8980677 + ... + 9096007.

It is an arithmetic number, because the mean of its divisors is an integer number (99999590922).

Almost surely, 2^{1042401021202} is an apocalyptic number.

1042401021202 is a deficient number, since it is larger than the sum of its proper divisors (557592433550).

1042401021202 is a wasteful number, since it uses less digits than its factorization.

1042401021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220473.

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

Adding to 1042401021202 its reverse (2021201042401), we get a palindrome (3063602063603).

The spelling of 1042401021202 in words is "one trillion, forty-two billion, four hundred one million, twenty-one thousand, two hundred two".