10020211211021 has 16 divisors (see below), whose sum is σ = 11100770923200. Its totient is φ = 9043748342640.

The previous prime is 10020211210987. The next prime is 10020211211027. The reversal of 10020211211021 is 12011211202001.

It is not a de Polignac number, because 10020211211021 - 2³⁰ = 10019137469197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020211210987 and 10020211211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020211211027) 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, 26895326 + ... + 27265343.

It is an arithmetic number, because the mean of its divisors is an integer number (693798182700).

Almost surely, 2^{10020211211021} is an apocalyptic number.

10020211211021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10020211211021 is a deficient number, since it is larger than the sum of its proper divisors (1080559712179).

10020211211021 is an equidigital number, since it uses as much as digits as its factorization.

10020211211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54160841 (or 54160819 counting only the distinct ones).

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

Adding to 10020211211021 its reverse (12011211202001), we get a palindrome (22031422413022).

The spelling of 10020211211021 in words is "ten trillion, twenty billion, two hundred eleven million, two hundred eleven thousand, twenty-one".