10012221021111 has 16 divisors (see below), whose sum is σ = 13708606316544. Its totient is φ = 6497308175904.

The previous prime is 10012221021091. The next prime is 10012221021139. The reversal of 10012221021111 is 11112012221001.

It is a happy number.

It is not a de Polignac number, because 10012221021111 - 2⁵ = 10012221021079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012221021161) 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, 247892971 + ... + 247933356.

It is an arithmetic number, because the mean of its divisors is an integer number (856787894784).

Almost surely, 2^{10012221021111} is an apocalyptic number.

10012221021111 is a deficient number, since it is larger than the sum of its proper divisors (3696385295433).

10012221021111 is a wasteful number, since it uses less digits than its factorization.

10012221021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495826510.

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

Adding to 10012221021111 its reverse (11112012221001), we get a palindrome (21124233242112).

The spelling of 10012221021111 in words is "ten trillion, twelve billion, two hundred twenty-one million, twenty-one thousand, one hundred eleven".