102020034011 has 4 divisors (see below), whose sum is σ = 116594324592. Its totient is φ = 87445743432.

The previous prime is 102020033971. The next prime is 102020034037. The reversal of 102020034011 is 110430020201.

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-102020034011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020034511) 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, 7287145280 + ... + 7287145293.

It is an arithmetic number, because the mean of its divisors is an integer number (29148581148).

Almost surely, 2^102020034011 is an apocalyptic number.

102020034011 is a deficient number, since it is larger than the sum of its proper divisors (14574290581).

102020034011 is an equidigital number, since it uses as much as digits as its factorization.

102020034011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14574290580.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102020034011 its reverse (110430020201), we get a palindrome (212450054212).

The spelling of 102020034011 in words is "one hundred two billion, twenty million, thirty-four thousand, eleven".