101122200000 has 252 divisors, whose sum is σ = 362293921080. Its totient is φ = 26965440000.

The previous prime is 101122199999. The next prime is 101122200017. The reversal of 101122200000 is 2221101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1771911 + ... + 1828089.

It is an arithmetic number, because the mean of its divisors is an integer number (1437674290).

Almost surely, 2^101122200000 is an apocalyptic number.

101122200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101122200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181146960540).

101122200000 is an abundant number, since it is smaller than the sum of its proper divisors (261171721080).

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

101122200000 is an frugal number, since it uses more digits than its factorization.

101122200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56222 (or 56189 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 101122200000 its reverse (2221101), we get a palindrome (101124421101).

The spelling of 101122200000 in words is "one hundred one billion, one hundred twenty-two million, two hundred thousand".