101211120108 has 96 divisors (see below), whose sum is σ = 301560537600. Its totient is φ = 28755874368.

The previous prime is 101211120103. The next prime is 101211120113. The reversal of 101211120108 is 801021112101.

It is an interprime number because it is at equal distance from previous prime (101211120103) and next prime (101211120113).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (101211120103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238635 + ... + 509282.

It is an arithmetic number, because the mean of its divisors is an integer number (3141255600).

Almost surely, 2^101211120108 is an apocalyptic number.

101211120108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

101211120108 is an abundant number, since it is smaller than the sum of its proper divisors (200349417492).

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

101211120108 is a wasteful number, since it uses less digits than its factorization.

101211120108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748116 (or 748108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 101211120108 its reverse (801021112101), we get a palindrome (902232232209).

The spelling of 101211120108 in words is "one hundred one billion, two hundred eleven million, one hundred twenty thousand, one hundred eight".