102121030004 has 24 divisors (see below), whose sum is σ = 216256299840. Its totient is φ = 41191675776.

The previous prime is 102121029973. The next prime is 102121030013. The reversal of 102121030004 is 400030121201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107269514 + ... + 107270465.

It is an arithmetic number, because the mean of its divisors is an integer number (9010679160).

Almost surely, 2^102121030004 is an apocalyptic number.

102121030004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102121030004 is an abundant number, since it is smaller than the sum of its proper divisors (114135269836).

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

102121030004 is a wasteful number, since it uses less digits than its factorization.

102121030004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214540007 (or 214540005 counting only the distinct ones).

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

Adding to 102121030004 its reverse (400030121201), we get a palindrome (502151151205).

The spelling of 102121030004 in words is "one hundred two billion, one hundred twenty-one million, thirty thousand, four".