101100021200111 has 4 divisors (see below), whose sum is σ = 105495674295792. Its totient is φ = 96704368104432.

The previous prime is 101100021200039. The next prime is 101100021200137. The reversal of 101100021200111 is 111002120001101.

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

It is a cyclic number.

It is not a de Polignac number, because 101100021200111 - 2¹⁰ = 101100021199087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101100021200092 and 101100021200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100021200161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2197826547806 + ... + 2197826547851.

It is an arithmetic number, because the mean of its divisors is an integer number (26373918573948).

Almost surely, 2^{101100021200111} is an apocalyptic number.

101100021200111 is a deficient number, since it is larger than the sum of its proper divisors (4395653095681).

101100021200111 is an equidigital number, since it uses as much as digits as its factorization.

101100021200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4395653095680.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101100021200111 its reverse (111002120001101), we get a palindrome (212102141201212).

The spelling of 101100021200111 in words is "one hundred one trillion, one hundred billion, twenty-one million, two hundred thousand, one hundred eleven".