1000120202101 has 16 divisors (see below), whose sum is σ = 1028383493760. Its totient is φ = 972042900480.

The previous prime is 1000120202099. The next prime is 1000120202117. The reversal of 1000120202101 is 1012020210001.

It is a cyclic number.

It is not a de Polignac number, because 1000120202101 - 2¹ = 1000120202099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000120202131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65236005 + ... + 65251333.

It is an arithmetic number, because the mean of its divisors is an integer number (64273968360).

Almost surely, 2^{1000120202101} is an apocalyptic number.

It is an amenable number.

1000120202101 is a deficient number, since it is larger than the sum of its proper divisors (28263291659).

1000120202101 is a wasteful number, since it uses less digits than its factorization.

1000120202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21276.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000120202101 its reverse (1012020210001), we get a palindrome (2012140412102).

The spelling of 1000120202101 in words is "one trillion, one hundred twenty million, two hundred two thousand, one hundred one".