378943100101 has 4 divisors (see below), whose sum is σ = 391167071104. Its totient is φ = 366719129100.

The previous prime is 378943100087. The next prime is 378943100111. The reversal of 378943100101 is 101001349873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101001349873 = 2683 ⋅37644931.

It is a cyclic number.

It is not a de Polignac number, because 378943100101 - 2¹⁵ = 378943067333 is a prime.

It is a super-2 number, since 2×378943100101² (a number of 24 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 (378943100111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6111985455 + ... + 6111985516.

It is an arithmetic number, because the mean of its divisors is an integer number (97791767776).

Almost surely, 2^378943100101 is an apocalyptic number.

378943100101 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

378943100101 is a deficient number, since it is larger than the sum of its proper divisors (12223971003).

378943100101 is a wasteful number, since it uses less digits than its factorization.

378943100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12223971002.

The product of its (nonzero) digits is 18144, while the sum is 37.

Adding to 378943100101 its reverse (101001349873), we get a palindrome (479944449974).

The spelling of 378943100101 in words is "three hundred seventy-eight billion, nine hundred forty-three million, one hundred thousand, one hundred one".