10101211222111 has 8 divisors (see below), whose sum is σ = 10104696766944. Its totient is φ = 10097725941600.

The previous prime is 10101211222093. The next prime is 10101211222127. The reversal of 10101211222111 is 11122211210101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10101211222111 - 2³⁵ = 10066851483743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101211222181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103592766 + ... + 103690228.

It is an arithmetic number, because the mean of its divisors is an integer number (1263087095868).

Almost surely, 2^{10101211222111} is an apocalyptic number.

10101211222111 is a deficient number, since it is larger than the sum of its proper divisors (3485544833).

10101211222111 is an equidigital number, since it uses as much as digits as its factorization.

10101211222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132161.

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

Adding to 10101211222111 its reverse (11122211210101), we get a palindrome (21223422432212).

The spelling of 10101211222111 in words is "ten trillion, one hundred one billion, two hundred eleven million, two hundred twenty-two thousand, one hundred eleven".