101222001100 has 36 divisors (see below), whose sum is σ = 239620085208. Its totient is φ = 36808000000.

The previous prime is 101222001091. The next prime is 101222001107. The reversal of 101222001100 is 1100222101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (101222001107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46008901 + ... + 46011100.

It is an arithmetic number, because the mean of its divisors is an integer number (6656113478).

Almost surely, 2^101222001100 is an apocalyptic number.

101222001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222001100 is an abundant number, since it is smaller than the sum of its proper divisors (138398084108).

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

101222001100 is a wasteful number, since it uses less digits than its factorization.

101222001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92020026 (or 92020019 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101222001100 its reverse (1100222101), we get a palindrome (102322223201).

It can be divided in two parts, 101222001 and 100, that added together give a palindrome (101222101).

The spelling of 101222001100 in words is "one hundred one billion, two hundred twenty-two million, one thousand, one hundred".