101112021212111 has 16 divisors (see below), whose sum is σ = 124461856243200. Its totient is φ = 79990246860768.

The previous prime is 101112021212099. The next prime is 101112021212171. The reversal of 101112021212111 is 111212120211101.

It is a cyclic number.

It is not a de Polignac number, because 101112021212111 - 2¹⁸ = 101112020949967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101112021212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112021212171) 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, 72031721 + ... + 73422018.

It is an arithmetic number, because the mean of its divisors is an integer number (7778866015200).

Almost surely, 2^{101112021212111} is an apocalyptic number.

101112021212111 is a deficient number, since it is larger than the sum of its proper divisors (23349835031089).

101112021212111 is a wasteful number, since it uses less digits than its factorization.

101112021212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145461398.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 101112021212111 its reverse (111212120211101), we get a palindrome (212324141423212).

The spelling of 101112021212111 in words is "one hundred one trillion, one hundred twelve billion, twenty-one million, two hundred twelve thousand, one hundred eleven".