10111220212101 has 16 divisors (see below), whose sum is σ = 13504499712000. Its totient is φ = 6729377705648.

The previous prime is 10111220212099. The next prime is 10111220212153. The reversal of 10111220212101 is 10121202211101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10111220212101 - 2¹ = 10111220212099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111220212201) 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, 112603660 + ... + 112693418.

It is an arithmetic number, because the mean of its divisors is an integer number (844031232000).

Almost surely, 2^{10111220212101} is an apocalyptic number.

It is an amenable number.

10111220212101 is a deficient number, since it is larger than the sum of its proper divisors (3393279499899).

10111220212101 is an equidigital number, since it uses as much as digits as its factorization.

10111220212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153048.

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

Adding to 10111220212101 its reverse (10121202211101), we get a palindrome (20232422423202).

The spelling of 10111220212101 in words is "ten trillion, one hundred eleven billion, two hundred twenty million, two hundred twelve thousand, one hundred one".