11021200121210 has 32 divisors (see below), whose sum is σ = 20648138077440. Its totient is φ = 4230350203968.

The previous prime is 11021200121201. The next prime is 11021200121213. The reversal of 11021200121210 is 1212100212011.

It is a super-2 number, since 2×11021200121210² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11021200121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116529842 + ... + 116624381.

It is an arithmetic number, because the mean of its divisors is an integer number (645254314920).

Almost surely, 2^{11021200121210} is an apocalyptic number.

11021200121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021200121210 is a deficient number, since it is larger than the sum of its proper divisors (9626937956230).

11021200121210 is a wasteful number, since it uses less digits than its factorization.

11021200121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233154422.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11021200121210 its reverse (1212100212011), we get a palindrome (12233300333221).

The spelling of 11021200121210 in words is "eleven trillion, twenty-one billion, two hundred million, one hundred twenty-one thousand, two hundred ten".