100220121011011 has 16 divisors (see below), whose sum is σ = 103770541173600. Its totient is φ = 96676022596608.

The previous prime is 100220121010987. The next prime is 100220121011027. The reversal of 100220121011011 is 110110121022001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100220121011011 - 2⁵ = 100220121010979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100220121010982 and 100220121011000.

It is not an unprimeable number, because it can be changed into a prime (100220121015011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318839521 + ... + 319153693.

It is an arithmetic number, because the mean of its divisors is an integer number (6485658823350).

Almost surely, 2^{100220121011011} is an apocalyptic number.

100220121011011 is a deficient number, since it is larger than the sum of its proper divisors (3550420162589).

100220121011011 is a wasteful number, since it uses less digits than its factorization.

100220121011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324198.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100220121011011 its reverse (110110121022001), we get a palindrome (210330242033012).

The spelling of 100220121011011 in words is "one hundred trillion, two hundred twenty billion, one hundred twenty-one million, eleven thousand, eleven".