2211052105100 has 18 divisors (see below), whose sum is σ = 4797983068284. Its totient is φ = 884420842000.

The previous prime is 2211052105099. The next prime is 2211052105121. The reversal of 2211052105100 is 15012501122.

It is a super-2 number, since 2×2211052105100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11055260426 + ... + 11055260625.

Almost surely, 2^{2211052105100} is an apocalyptic number.

2211052105100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211052105100 is an abundant number, since it is smaller than the sum of its proper divisors (2586930963184).

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

2211052105100 is a wasteful number, since it uses less digits than its factorization.

2211052105100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22110521065 (or 22110521058 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 2211052105100 its reverse (15012501122), we get a palindrome (2226064606222).

The spelling of 2211052105100 in words is "two trillion, two hundred eleven billion, fifty-two million, one hundred five thousand, one hundred".