2211210121100 has 18 divisors (see below), whose sum is σ = 4798325963004. Its totient is φ = 884484048400.

The previous prime is 2211210121069. The next prime is 2211210121123. The reversal of 2211210121100 is 11210121122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11056050506 + ... + 11056050705.

Almost surely, 2^{2211210121100} is an apocalyptic number.

2211210121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211210121100 is an abundant number, since it is smaller than the sum of its proper divisors (2587115841904).

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

2211210121100 is a wasteful number, since it uses less digits than its factorization.

2211210121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22112101225 (or 22112101218 counting only the distinct ones).

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

Adding to 2211210121100 its reverse (11210121122), we get a palindrome (2222420242222).

The spelling of 2211210121100 in words is "two trillion, two hundred eleven billion, two hundred ten million, one hundred twenty-one thousand, one hundred".