101220222010111 has 16 divisors (see below), whose sum is σ = 102542178106368. Its totient is φ = 99909248305600.

The previous prime is 101220222010087. The next prime is 101220222010139. The reversal of 101220222010111 is 111010222022101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101220222010111 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 (101220222013111) 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, 9954291 + ... + 17364571.

It is an arithmetic number, because the mean of its divisors is an integer number (6408886131648).

Almost surely, 2^{101220222010111} is an apocalyptic number.

101220222010111 is a deficient number, since it is larger than the sum of its proper divisors (1321956096257).

101220222010111 is a wasteful number, since it uses less digits than its factorization.

101220222010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7411022.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101220222010111 its reverse (111010222022101), we get a palindrome (212230444032212).

The spelling of 101220222010111 in words is "one hundred one trillion, two hundred twenty billion, two hundred twenty-two million, ten thousand, one hundred eleven".