1040202120001 has 8 divisors (see below), whose sum is σ = 1134774472608. Its totient is φ = 945631188000.

The previous prime is 1040202119977. The next prime is 1040202120049. The reversal of 1040202120001 is 1000212020401.

It is a happy number.

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 1040202120001 - 2²⁷ = 1040067902273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040202123001) 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, 1685886 + ... + 2218696.

It is an arithmetic number, because the mean of its divisors is an integer number (141846809076).

Almost surely, 2^{1040202120001} is an apocalyptic number.

1040202120001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1040202120001 is a deficient number, since it is larger than the sum of its proper divisors (94572352607).

1040202120001 is a wasteful number, since it uses less digits than its factorization.

1040202120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710303.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1040202120001 its reverse (1000212020401), we get a palindrome (2040414140402).

The spelling of 1040202120001 in words is "one trillion, forty billion, two hundred two million, one hundred twenty thousand, one".