101211112200 has 96 divisors (see below), whose sum is σ = 342277601760. Its totient is φ = 24536025600.

The previous prime is 101211112199. The next prime is 101211112207. The reversal of 101211112200 is 2211112101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (101211112207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7660909 + ... + 7674108.

It is an arithmetic number, because the mean of its divisors is an integer number (3565391685).

Almost surely, 2^101211112200 is an apocalyptic number.

101211112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101211112200 is an abundant number, since it is smaller than the sum of its proper divisors (241066489560).

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

101211112200 is a wasteful number, since it uses less digits than its factorization.

101211112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15335047 (or 15335038 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101211112200 its reverse (2211112101), we get a palindrome (103422224301).

Subtracting from 101211112200 its reverse (2211112101), we obtain a palindrome (99000000099).

The spelling of 101211112200 in words is "one hundred one billion, two hundred eleven million, one hundred twelve thousand, two hundred".