11221010021210 has 64 divisors (see below), whose sum is σ = 22230942480000. Its totient is φ = 4077637970560.

The previous prime is 11221010021197. The next prime is 11221010021227. The reversal of 11221010021210 is 1212001012211.

It is a super-2 number, since 2×11221010021210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19670486 + ... + 20232894.

It is an arithmetic number, because the mean of its divisors is an integer number (347358476250).

Almost surely, 2^{11221010021210} is an apocalyptic number.

11221010021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221010021210 is a deficient number, since it is larger than the sum of its proper divisors (11009932458790).

11221010021210 is a wasteful number, since it uses less digits than its factorization.

11221010021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563948 (or 563926 counting only the distinct ones).

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

Adding to 11221010021210 its reverse (1212001012211), we get a palindrome (12433011033421).

The spelling of 11221010021210 in words is "eleven trillion, two hundred twenty-one billion, ten million, twenty-one thousand, two hundred ten".