102011021016 has 32 divisors (see below), whose sum is σ = 255711294960. Its totient is φ = 33912508032.

The previous prime is 102011021011. The next prime is 102011021017. The reversal of 102011021016 is 610120110201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102011020986 and 102011021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011021011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5688715 + ... + 5706618.

Almost surely, 2^102011021016 is an apocalyptic number.

It is an amenable number.

102011021016 is an abundant number, since it is smaller than the sum of its proper divisors (153700273944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102011021016 is a wasteful number, since it uses less digits than its factorization.

102011021016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11395715 (or 11395711 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 102011021016 its reverse (610120110201), we get a palindrome (712131131217).

The spelling of 102011021016 in words is "one hundred two billion, eleven million, twenty-one thousand, sixteen".