11121011221210 has 32 divisors (see below), whose sum is σ = 21851296532352. Its totient is φ = 4041471766080.

The previous prime is 11121011221193. The next prime is 11121011221219. The reversal of 11121011221210 is 1212211012111.

It is not an unprimeable number, because it can be changed into a prime (11121011221219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31477462 + ... + 31828801.

It is an arithmetic number, because the mean of its divisors is an integer number (682853016636).

Almost surely, 2^{11121011221210} is an apocalyptic number.

11121011221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121011221210 is a deficient number, since it is larger than the sum of its proper divisors (10730285311142).

11121011221210 is a wasteful number, since it uses less digits than its factorization.

11121011221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63307878.

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

Adding to 11121011221210 its reverse (1212211012111), we get a palindrome (12333222233321).

The spelling of 11121011221210 in words is "eleven trillion, one hundred twenty-one billion, eleven million, two hundred twenty-one thousand, two hundred ten".