221101120100102 has 16 divisors (see below), whose sum is σ = 369499744230912. Its totient is φ = 98362200430920.

The previous prime is 221101120100099. The next prime is 221101120100129. The reversal of 221101120100102 is 201001021101122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106915434218 + ... + 106915436285.

It is an arithmetic number, because the mean of its divisors is an integer number (23093734014432).

Almost surely, 2^{221101120100102} is an apocalyptic number.

221101120100102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221101120100102 is a deficient number, since it is larger than the sum of its proper divisors (148398624130810).

221101120100102 is a wasteful number, since it uses less digits than its factorization.

221101120100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213830870563.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221101120100102 its reverse (201001021101122), we get a palindrome (422102141201224).

The spelling of 221101120100102 in words is "two hundred twenty-one trillion, one hundred one billion, one hundred twenty million, one hundred thousand, one hundred two".