101020819906 has 8 divisors (see below), whose sum is σ = 156419334144. Its totient is φ = 48881041860.

The previous prime is 101020819901. The next prime is 101020819961. The reversal of 101020819906 is 609918020101.

101020819906 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (101020819901) 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, 814683970 + ... + 814684093.

It is an arithmetic number, because the mean of its divisors is an integer number (19552416768).

Almost surely, 2^101020819906 is an apocalyptic number.

101020819906 is a deficient number, since it is larger than the sum of its proper divisors (55398514238).

101020819906 is a wasteful number, since it uses less digits than its factorization.

101020819906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629368096.

The product of its (nonzero) digits is 7776, while the sum is 37.

The spelling of 101020819906 in words is "one hundred one billion, twenty million, eight hundred nineteen thousand, nine hundred six".