101001222100111 has 4 divisors (see below), whose sum is σ = 101423821356000. Its totient is φ = 100578622844224.

The previous prime is 101001222100073. The next prime is 101001222100139. The reversal of 101001222100111 is 111001222100101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101001222100111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101001222100091 and 101001222100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001222200111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211299627586 + ... + 211299628063.

It is an arithmetic number, because the mean of its divisors is an integer number (25355955339000).

Almost surely, 2^{101001222100111} is an apocalyptic number.

101001222100111 is a deficient number, since it is larger than the sum of its proper divisors (422599255889).

101001222100111 is an equidigital number, since it uses as much as digits as its factorization.

101001222100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422599255888.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101001222100111 its reverse (111001222100101), we get a palindrome (212002444200212).

The spelling of 101001222100111 in words is "one hundred one trillion, one billion, two hundred twenty-two million, one hundred thousand, one hundred eleven".