11211010210020 has 24 divisors (see below), whose sum is σ = 31390828588224. Its totient is φ = 2989602722656.

The previous prime is 11211010210009. The next prime is 11211010210091. The reversal of 11211010210020 is 2001201011211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11211010209978 and 11211010210005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93425085024 + ... + 93425085143.

It is an arithmetic number, because the mean of its divisors is an integer number (1307951191176).

Almost surely, 2^{11211010210020} is an apocalyptic number.

11211010210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211010210020 is an abundant number, since it is smaller than the sum of its proper divisors (20179818378204).

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

11211010210020 is a wasteful number, since it uses less digits than its factorization.

11211010210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186850170179 (or 186850170177 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11211010210020 its reverse (2001201011211), we get a palindrome (13212211221231).

The spelling of 11211010210020 in words is "eleven trillion, two hundred eleven billion, ten million, two hundred ten thousand, twenty".