100020220011 has 20 divisors (see below), whose sum is σ = 149452466592. Its totient is φ = 66662498448.

The previous prime is 100020220009. The next prime is 100020220019. The reversal of 100020220011 is 110022020001.

It is not a de Polignac number, because 100020220011 - 2¹ = 100020220009 is a prime.

It is a super-2 number, since 2×100020220011² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100020219975 and 100020220002.

It is not an unprimeable number, because it can be changed into a prime (100020220019) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 148165 + ... + 471161.

Almost surely, 2^100020220011 is an apocalyptic number.

100020220011 is a deficient number, since it is larger than the sum of its proper divisors (49432246581).

100020220011 is an equidigital number, since it uses as much as digits as its factorization.

100020220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326832 (or 326823 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100020220011 its reverse (110022020001), we get a palindrome (210042240012).

The spelling of 100020220011 in words is "one hundred billion, twenty million, two hundred twenty thousand, eleven".