102021011012 has 12 divisors (see below), whose sum is σ = 179821207440. Its totient is φ = 50643523176.

The previous prime is 102021011009. The next prime is 102021011039. The reversal of 102021011012 is 210110120201.

It is a junction number, because it is equal to n+sod(n) for n = 102021010984 and 102021011002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91744958 + ... + 91746069.

It is an arithmetic number, because the mean of its divisors is an integer number (14985100620).

Almost surely, 2^102021011012 is an apocalyptic number.

It is an amenable number.

102021011012 is a deficient number, since it is larger than the sum of its proper divisors (77800196428).

102021011012 is a wasteful number, since it uses less digits than its factorization.

102021011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183491170 (or 183491168 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102021011012 its reverse (210110120201), we get a palindrome (312131131213).

The spelling of 102021011012 in words is "one hundred two billion, twenty-one million, eleven thousand, twelve".