101222011100 has 36 divisors (see below), whose sum is σ = 251030589264. Its totient is φ = 34704689280.

The previous prime is 101222011067. The next prime is 101222011123. The reversal of 101222011100 is 1110222101.

It is a super-2 number, since 2×101222011100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72300737 + ... + 72302136.

It is an arithmetic number, because the mean of its divisors is an integer number (6973071924).

Almost surely, 2^101222011100 is an apocalyptic number.

101222011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222011100 is an abundant number, since it is smaller than the sum of its proper divisors (149808578164).

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

101222011100 is a wasteful number, since it uses less digits than its factorization.

101222011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144602894 (or 144602887 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101222011100 its reverse (1110222101), we get a palindrome (102332233201).

The spelling of 101222011100 in words is "one hundred one billion, two hundred twenty-two million, eleven thousand, one hundred".