100021211011 has 4 divisors (see below), whose sum is σ = 100955988792. Its totient is φ = 99086433232.

The previous prime is 100021210979. The next prime is 100021211023. The reversal of 100021211011 is 110112120001.

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 100021211011 - 2⁵ = 100021210979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100021214011) 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, 467388730 + ... + 467388943.

It is an arithmetic number, because the mean of its divisors is an integer number (25238997198).

Almost surely, 2^100021211011 is an apocalyptic number.

100021211011 is a deficient number, since it is larger than the sum of its proper divisors (934777781).

100021211011 is an equidigital number, since it uses as much as digits as its factorization.

100021211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934777780.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100021211011 its reverse (110112120001), we get a palindrome (210133331012).

The spelling of 100021211011 in words is "one hundred billion, twenty-one million, two hundred eleven thousand, eleven".