102030012011 has 4 divisors (see below), whose sum is σ = 104402803032. Its totient is φ = 99657220992.

The previous prime is 102030012001. The next prime is 102030012013. The reversal of 102030012011 is 110210030201.

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 102030012011 - 2³⁴ = 84850142827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102030011983 and 102030012001.

It is not an unprimeable number, because it can be changed into a prime (102030012013) 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, 1186395446 + ... + 1186395531.

It is an arithmetic number, because the mean of its divisors is an integer number (26100700758).

Almost surely, 2^102030012011 is an apocalyptic number.

102030012011 is a deficient number, since it is larger than the sum of its proper divisors (2372791021).

102030012011 is an equidigital number, since it uses as much as digits as its factorization.

102030012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372791020.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 102030012011 its reverse (110210030201), we get a palindrome (212240042212).

The spelling of 102030012011 in words is "one hundred two billion, thirty million, twelve thousand, eleven".