100220021101 has 4 divisors (see below), whose sum is σ = 100225422972. Its totient is φ = 100214619232.

The previous prime is 100220021089. The next prime is 100220021123. The reversal of 100220021101 is 101120022001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 84538470025 + 15681551076 = 290755^2 + 125226^2 .

It is a cyclic number.

It is not a de Polignac number, because 100220021101 - 2²⁵ = 100186466669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220021131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2673010 + ... + 2710243.

It is an arithmetic number, because the mean of its divisors is an integer number (25056355743).

Almost surely, 2^100220021101 is an apocalyptic number.

It is an amenable number.

100220021101 is a deficient number, since it is larger than the sum of its proper divisors (5401871).

100220021101 is an equidigital number, since it uses as much as digits as its factorization.

100220021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5401870.

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

Adding to 100220021101 its reverse (101120022001), we get a palindrome (201340043102).

The spelling of 100220021101 in words is "one hundred billion, two hundred twenty million, twenty-one thousand, one hundred one".