221200120100118 has 8 divisors (see below), whose sum is σ = 442400240200248. Its totient is φ = 73733373366704.

The previous prime is 221200120100107. The next prime is 221200120100119. The reversal of 221200120100118 is 811001021002122.

It is a sphenic number, since it is the product of 3 distinct primes.

221200120100118 is an admirable number.

It is a super-2 number, since 2×221200120100118² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221200120100094 and 221200120100103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221200120100119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18433343341671 + ... + 18433343341682.

It is an arithmetic number, because the mean of its divisors is an integer number (55300030025031).

Almost surely, 2^{221200120100118} is an apocalyptic number.

221200120100118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221200120100118 is a wasteful number, since it uses less digits than its factorization.

221200120100118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36866686683358.

The product of its (nonzero) digits is 128, while the sum is 21.

The spelling of 221200120100118 in words is "two hundred twenty-one trillion, two hundred billion, one hundred twenty million, one hundred thousand, one hundred eighteen".