102020010220111 has 4 divisors (see below), whose sum is σ = 102041620055424. Its totient is φ = 101998400384800.

The previous prime is 102020010220099. The next prime is 102020010220123. The reversal of 102020010220111 is 111022010020201.

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

It is an interprime number because it is at equal distance from previous prime (102020010220099) and next prime (102020010220123).

It is a cyclic number.

It is not a de Polignac number, because 102020010220111 - 2³⁹ = 101470254406223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102020010220091 and 102020010220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020010220211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10804910575 + ... + 10804920016.

It is an arithmetic number, because the mean of its divisors is an integer number (25510405013856).

Almost surely, 2^{102020010220111} is an apocalyptic number.

102020010220111 is a deficient number, since it is larger than the sum of its proper divisors (21609835313).

102020010220111 is an equidigital number, since it uses as much as digits as its factorization.

102020010220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21609835312.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102020010220111 its reverse (111022010020201), we get a palindrome (213042020240312).

The spelling of 102020010220111 in words is "one hundred two trillion, twenty billion, ten million, two hundred twenty thousand, one hundred eleven".