20101231106 has 8 divisors (see below), whose sum is σ = 32892923664. Its totient is φ = 9136923220.

The previous prime is 20101231091. The next prime is 20101231159. The reversal of 20101231106 is 60113210102.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456846140 + ... + 456846183.

It is an arithmetic number, because the mean of its divisors is an integer number (4111615458).

Almost surely, 2^20101231106 is an apocalyptic number.

20101231106 is a deficient number, since it is larger than the sum of its proper divisors (12791692558).

20101231106 is a wasteful number, since it uses less digits than its factorization.

20101231106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913692336.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20101231106 its reverse (60113210102), we get a palindrome (80214441208).

The spelling of 20101231106 in words is "twenty billion, one hundred one million, two hundred thirty-one thousand, one hundred six".