2201111210100 has 72 divisors (see below), whose sum is σ = 6947507393568. Its totient is φ = 533602716800.

The previous prime is 2201111210087. The next prime is 2201111210173. The reversal of 2201111210100 is 10121111022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333498399 + ... + 333504998.

It is an arithmetic number, because the mean of its divisors is an integer number (96493158244).

Almost surely, 2^{2201111210100} is an apocalyptic number.

2201111210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201111210100 is an abundant number, since it is smaller than the sum of its proper divisors (4746396183468).

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

2201111210100 is a wasteful number, since it uses less digits than its factorization.

2201111210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667003425 (or 667003418 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2201111210100 its reverse (10121111022), we get a palindrome (2211232321122).

The spelling of 2201111210100 in words is "two trillion, two hundred one billion, one hundred eleven million, two hundred ten thousand, one hundred".