101111220222100 has 72 divisors (see below), whose sum is σ = 239653704931200. Its totient is φ = 36722267769600.

The previous prime is 101111220222097. The next prime is 101111220222121. The reversal of 101111220222100 is 1222022111101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55920540 + ... + 57700339.

It is an arithmetic number, because the mean of its divisors is an integer number (3328523679600).

Almost surely, 2^{101111220222100} is an apocalyptic number.

101111220222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101111220222100 is an abundant number, since it is smaller than the sum of its proper divisors (138542484709100).

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

101111220222100 is a wasteful number, since it uses less digits than its factorization.

101111220222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113621713 (or 113621706 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101111220222100 its reverse (1222022111101), we get a palindrome (102333242333201).

It can be divided in two parts, 1011112 and 20222100, that added together give a palindrome (21233212).

The spelling of 101111220222100 in words is "one hundred one trillion, one hundred eleven billion, two hundred twenty million, two hundred twenty-two thousand, one hundred".