10211000110020 has 48 divisors (see below), whose sum is σ = 31767555899520. Its totient is φ = 2722933362528.

The previous prime is 10211000110009. The next prime is 10211000110033. The reversal of 10211000110020 is 2001100011201.

It is a happy number.

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 = 10211000109984 and 10211000110011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9454629192 + ... + 9454630271.

It is an arithmetic number, because the mean of its divisors is an integer number (661824081240).

Almost surely, 2^{10211000110020} is an apocalyptic number.

10211000110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211000110020 is an abundant number, since it is smaller than the sum of its proper divisors (21556555789500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10211000110020 is a wasteful number, since it uses less digits than its factorization.

10211000110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18909259481 (or 18909259473 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10211000110020 its reverse (2001100011201), we get a palindrome (12212100121221).

The spelling of 10211000110020 in words is "ten trillion, two hundred eleven billion, one hundred ten thousand, twenty".