221110110101120 has 64 divisors (see below), whose sum is σ = 528593262078240. Its totient is φ = 88443725276160.

The previous prime is 221110110101113. The next prime is 221110110101137. The reversal of 221110110101120 is 21101011011122.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 221110110101095 and 221110110101104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266677919 + ... + 267505761.

Almost surely, 2^{221110110101120} is an apocalyptic number.

221110110101120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221110110101120 is an abundant number, since it is smaller than the sum of its proper divisors (307483151977120).

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

221110110101120 is an equidigital number, since it uses as much as digits as its factorization.

221110110101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245193 (or 1245181 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 221110110101120 its reverse (21101011011122), we get a palindrome (242211121112242).

The spelling of 221110110101120 in words is "two hundred twenty-one trillion, one hundred ten billion, one hundred ten million, one hundred one thousand, one hundred twenty".