221100120200102 has 96 divisors (see below), whose sum is σ = 400141861672896. Its totient is φ = 90984350096640.

The previous prime is 221100120200101. The next prime is 221100120200147. The reversal of 221100120200102 is 201002021001122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221100120200101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 441105008 + ... + 441605964.

It is an arithmetic number, because the mean of its divisors is an integer number (4168144392426).

Almost surely, 2^{221100120200102} is an apocalyptic number.

221100120200102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221100120200102 is a deficient number, since it is larger than the sum of its proper divisors (179041741472794).

221100120200102 is a wasteful number, since it uses less digits than its factorization.

221100120200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503694 (or 503683 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221100120200102 its reverse (201002021001122), we get a palindrome (422102141201224).

The spelling of 221100120200102 in words is "two hundred twenty-one trillion, one hundred billion, one hundred twenty million, two hundred thousand, one hundred two".