10211122200020 has 144 divisors (see below), whose sum is σ = 27025851061440. Its totient is φ = 3218389042176.

The previous prime is 10211122199987. The next prime is 10211122200053. The reversal of 10211122200020 is 2000222111201.

It is an interprime number because it is at equal distance from previous prime (10211122199987) and next prime (10211122200053).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 10211122199968 and 10211122200004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6410510 + ... + 7843269.

It is an arithmetic number, because the mean of its divisors is an integer number (187679521260).

Almost surely, 2^{10211122200020} is an apocalyptic number.

10211122200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211122200020 is an abundant number, since it is smaller than the sum of its proper divisors (16814728861420).

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

10211122200020 is a wasteful number, since it uses less digits than its factorization.

10211122200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14253862 (or 14253853 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10211122200020 its reverse (2000222111201), we get a palindrome (12211344311221).

The spelling of 10211122200020 in words is "ten trillion, two hundred eleven billion, one hundred twenty-two million, two hundred thousand, twenty".