101222378129 has 8 divisors (see below), whose sum is σ = 107342299008. Its totient is φ = 95120864320.

The previous prime is 101222378069. The next prime is 101222378137. The reversal of 101222378129 is 921873222101.

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

It is a de Polignac number, because none of the positive numbers 2^k-101222378129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101222378092 and 101222378101.

It is not an unprimeable number, because it can be changed into a prime (101222398129) 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, 4590437 + ... + 4612434.

It is an arithmetic number, because the mean of its divisors is an integer number (13417787376).

Almost surely, 2^101222378129 is an apocalyptic number.

It is an amenable number.

101222378129 is a deficient number, since it is larger than the sum of its proper divisors (6119920879).

101222378129 is an equidigital number, since it uses as much as digits as its factorization.

101222378129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9203535.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 101222378129 in words is "one hundred one billion, two hundred twenty-two million, three hundred seventy-eight thousand, one hundred twenty-nine".