101211312108 has 24 divisors (see below), whose sum is σ = 241919722800. Its totient is φ = 32914247680.

The previous prime is 101211312107. The next prime is 101211312109. The reversal of 101211312108 is 801213112101.

It is an interprime number because it is at equal distance from previous prime (101211312107) and next prime (101211312109).

It is not an unprimeable number, because it can be changed into a prime (101211312107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102856533 + ... + 102857516.

It is an arithmetic number, because the mean of its divisors is an integer number (10079988450).

Almost surely, 2^101211312108 is an apocalyptic number.

It is an amenable number.

101211312108 is an abundant number, since it is smaller than the sum of its proper divisors (140708410692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101211312108 is a wasteful number, since it uses less digits than its factorization.

101211312108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205714097 (or 205714095 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 101211312108 its reverse (801213112101), we get a palindrome (902424424209).

The spelling of 101211312108 in words is "one hundred one billion, two hundred eleven million, three hundred twelve thousand, one hundred eight".