101222121121111 has 32 divisors (see below), whose sum is σ = 104622801389568. Its totient is φ = 97878611466240.

The previous prime is 101222121121109. The next prime is 101222121121117. The reversal of 101222121121111 is 111121121222101.

It is a cyclic number.

It is not a de Polignac number, because 101222121121111 - 2¹ = 101222121121109 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 (101222121121117) 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, 4898703366 + ... + 4898724028.

It is an arithmetic number, because the mean of its divisors is an integer number (3269462543424).

Almost surely, 2^{101222121121111} is an apocalyptic number.

101222121121111 is a deficient number, since it is larger than the sum of its proper divisors (3400680268457).

101222121121111 is a wasteful number, since it uses less digits than its factorization.

101222121121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23391.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 101222121121111 its reverse (111121121222101), we get a palindrome (212343242343212).

The spelling of 101222121121111 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred eleven".