11101010210020 has 24 divisors (see below), whose sum is σ = 23854263801984. Its totient is φ = 4337138872416.

The previous prime is 11101010209999. The next prime is 11101010210029. The reversal of 11101010210020 is 2001201010111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11101010209979 and 11101010210006.

It is not an unprimeable number, because it can be changed into a prime (11101010210029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6454074844 + ... + 6454076563.

It is an arithmetic number, because the mean of its divisors is an integer number (993927658416).

Almost surely, 2^{11101010210020} is an apocalyptic number.

11101010210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101010210020 is an abundant number, since it is smaller than the sum of its proper divisors (12753253591964).

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

11101010210020 is a wasteful number, since it uses less digits than its factorization.

11101010210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12908151459 (or 12908151457 counting only the distinct ones).

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

Adding to 11101010210020 its reverse (2001201010111), we get a palindrome (13102211220131).

The spelling of 11101010210020 in words is "eleven trillion, one hundred one billion, ten million, two hundred ten thousand, twenty".