11211222220010 has 64 divisors (see below), whose sum is σ = 20671078072320. Its totient is φ = 4376713642560.

The previous prime is 11211222219947. The next prime is 11211222220103. The reversal of 11211222220010 is 1002222211211.

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 31 ways as a sum of consecutive naturals, for example, 198812279 + ... + 198868661.

It is an arithmetic number, because the mean of its divisors is an integer number (322985594880).

Almost surely, 2^{11211222220010} is an apocalyptic number.

11211222220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211222220010 is a deficient number, since it is larger than the sum of its proper divisors (9459855852310).

11211222220010 is a wasteful number, since it uses less digits than its factorization.

11211222220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59283.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11211222220010 its reverse (1002222211211), we get a palindrome (12213444431221).

The spelling of 11211222220010 in words is "eleven trillion, two hundred eleven billion, two hundred twenty-two million, two hundred twenty thousand, ten".