11101122021210 has 32 divisors (see below), whose sum is σ = 28692130763520. Its totient is φ = 2732583882048.

The previous prime is 11101122021151. The next prime is 11101122021287. The reversal of 11101122021210 is 1212022110111.

It is a happy number.

It is a super-3 number, since 3×11101122021210³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11101122021210.

It is an unprimeable number.

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, 14232207330 + ... + 14232208109.

It is an arithmetic number, because the mean of its divisors is an integer number (896629086360).

Almost surely, 2^{11101122021210} is an apocalyptic number.

11101122021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11101122021210 is an abundant number, since it is smaller than the sum of its proper divisors (17591008742310).

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

11101122021210 is a wasteful number, since it uses less digits than its factorization.

11101122021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28464415462.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11101122021210 its reverse (1212022110111), we get a palindrome (12313144131321).

The spelling of 11101122021210 in words is "eleven trillion, one hundred one billion, one hundred twenty-two million, twenty-one thousand, two hundred ten".