10221211110100 has 36 divisors (see below), whose sum is σ = 22291485580000. Its totient is φ = 4067939288160.

The previous prime is 10221211110053. The next prime is 10221211110133. The reversal of 10221211110100 is 101111212201.

It is a happy number.

10221211110100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256794450 + ... + 256834249.

Almost surely, 2^{10221211110100} is an apocalyptic number.

10221211110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221211110100 is an abundant number, since it is smaller than the sum of its proper divisors (12070274469900).

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

10221211110100 is a wasteful number, since it uses less digits than its factorization.

10221211110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513628912 (or 513628905 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10221211110100 its reverse (101111212201), we get a palindrome (10322322322301).

The spelling of 10221211110100 in words is "ten trillion, two hundred twenty-one billion, two hundred eleven million, one hundred ten thousand, one hundred".