100220021011211 has 4 divisors (see below), whose sum is σ = 102664411767624. Its totient is φ = 97775630254800.

The previous prime is 100220021011189. The next prime is 100220021011223. The reversal of 100220021011211 is 112110120022001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100220021011211 is a prime.

It is a super-2 number, since 2×100220021011211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100220021011261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222195378145 + ... + 1222195378226.

It is an arithmetic number, because the mean of its divisors is an integer number (25666102941906).

Almost surely, 2^{100220021011211} is an apocalyptic number.

100220021011211 is a deficient number, since it is larger than the sum of its proper divisors (2444390756413).

100220021011211 is an equidigital number, since it uses as much as digits as its factorization.

100220021011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444390756412.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100220021011211 its reverse (112110120022001), we get a palindrome (212330141033212).

The spelling of 100220021011211 in words is "one hundred trillion, two hundred twenty billion, twenty-one million, eleven thousand, two hundred eleven".