102011021204 has 24 divisors (see below), whose sum is σ = 187933700640. Its totient is φ = 48316211424.

The previous prime is 102011021201. The next prime is 102011021207. The reversal of 102011021204 is 402120110201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102011021201) and next prime (102011021207).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011021201) 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, 772787 + ... + 895109.

It is an arithmetic number, because the mean of its divisors is an integer number (7830570860).

Almost surely, 2^102011021204 is an apocalyptic number.

It is an amenable number.

102011021204 is a deficient number, since it is larger than the sum of its proper divisors (85922679436).

102011021204 is a wasteful number, since it uses less digits than its factorization.

102011021204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133319 (or 133317 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102011021204 its reverse (402120110201), we get a palindrome (504131131405).

The spelling of 102011021204 in words is "one hundred two billion, eleven million, twenty-one thousand, two hundred four".