1244202400101 has 8 divisors (see below), whose sum is σ = 1658966107264. Its totient is φ = 829453479840.

The previous prime is 1244202400097. The next prime is 1244202400139. The reversal of 1244202400101 is 1010042024421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1244202400101 - 2² = 1244202400097 is a prime.

It is a super-2 number, since 2×1244202400101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244202400501) 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, 3498880 + ... + 3838041.

It is an arithmetic number, because the mean of its divisors is an integer number (207370763408).

Almost surely, 2^{1244202400101} is an apocalyptic number.

It is an amenable number.

1244202400101 is a deficient number, since it is larger than the sum of its proper divisors (414763707163).

1244202400101 is an equidigital number, since it uses as much as digits as its factorization.

1244202400101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7393451.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1244202400101 its reverse (1010042024421), we get a palindrome (2254244424522).

The spelling of 1244202400101 in words is "one trillion, two hundred forty-four billion, two hundred two million, four hundred thousand, one hundred one".