1100021210101 has 12 divisors (see below), whose sum is σ = 1237233163936. Its totient is φ = 976763014920.

The previous prime is 1100021210087. The next prime is 1100021210117. The reversal of 1100021210101 is 1010121200011.

It is not a de Polignac number, because 1100021210101 - 2¹¹ = 1100021208053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100021210161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105705081 + ... + 105715486.

Almost surely, 2^{1100021210101} is an apocalyptic number.

1100021210101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100021210101 is a deficient number, since it is larger than the sum of its proper divisors (137211953835).

1100021210101 is a wasteful number, since it uses less digits than its factorization.

1100021210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211420632 (or 211420621 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1100021210101 its reverse (1010121200011), we get a palindrome (2110142410112).

The spelling of 1100021210101 in words is "one trillion, one hundred billion, twenty-one million, two hundred ten thousand, one hundred one".