10011221021011 has 32 divisors (see below), whose sum is σ = 11840461918208. Its totient is φ = 8283178091520.

The previous prime is 10011221020987. The next prime is 10011221021063. The reversal of 10011221021011 is 11012012211001.

It is a happy number.

10011221021011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10011221021011 - 2²¹ = 10011218923859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10011221020982 and 10011221021000.

It is not an unprimeable number, because it can be changed into a prime (10011221021911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144100795 + ... + 144170251.

It is an arithmetic number, because the mean of its divisors is an integer number (370014434944).

Almost surely, 2^{10011221021011} is an apocalyptic number.

10011221021011 is a deficient number, since it is larger than the sum of its proper divisors (1829240897197).

10011221021011 is a wasteful number, since it uses less digits than its factorization.

10011221021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71171.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10011221021011 its reverse (11012012211001), we get a palindrome (21023233232012).

The spelling of 10011221021011 in words is "ten trillion, eleven billion, two hundred twenty-one million, twenty-one thousand, eleven".