11211200020010 has 16 divisors (see below), whose sum is σ = 20198226448296. Its totient is φ = 4480465249728.

The previous prime is 11211200020003. The next prime is 11211200020051. The reversal of 11211200020010 is 1002000211211.

It can be written as a sum of positive squares in 4 ways, for example, as 7401680683609 + 3809519336401 = 2720603^2 + 1951799^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11211200019973 and 11211200020000.

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, 501833057 + ... + 501855396.

Almost surely, 2^{11211200020010} is an apocalyptic number.

11211200020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211200020010 is a deficient number, since it is larger than the sum of its proper divisors (8987026428286).

11211200020010 is a wasteful number, since it uses less digits than its factorization.

11211200020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003689577.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11211200020010 its reverse (1002000211211), we get a palindrome (12213200231221).

The spelling of 11211200020010 in words is "eleven trillion, two hundred eleven billion, two hundred million, twenty thousand, ten".