100220021011 has 4 divisors (see below), whose sum is σ = 109330932024. Its totient is φ = 91109110000.

The previous prime is 100220020963. The next prime is 100220021023. The reversal of 100220021011 is 110120022001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100220021011 - 2⁷ = 100220020883 is a prime.

It is a super-2 number, since 2×100220021011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100220021051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4555455490 + ... + 4555455511.

It is an arithmetic number, because the mean of its divisors is an integer number (27332733006).

Almost surely, 2^100220021011 is an apocalyptic number.

100220021011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100220021011 is a deficient number, since it is larger than the sum of its proper divisors (9110911013).

100220021011 is an equidigital number, since it uses as much as digits as its factorization.

100220021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9110911012.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100220021011 its reverse (110120022001), we get a palindrome (210340043012).

The spelling of 100220021011 in words is "one hundred billion, two hundred twenty million, twenty-one thousand, eleven".