102120100000102 has 16 divisors (see below), whose sum is σ = 157870122822720. Its totient is φ = 49513811237352.

The previous prime is 102120100000033. The next prime is 102120100000267. The reversal of 102120100000102 is 201000001021201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4271365828 + ... + 4271389735.

It is an arithmetic number, because the mean of its divisors is an integer number (9866882676420).

Almost surely, 2^{102120100000102} is an apocalyptic number.

102120100000102 is a deficient number, since it is larger than the sum of its proper divisors (55750022822618).

102120100000102 is a wasteful number, since it uses less digits than its factorization.

102120100000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8542755747.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102120100000102 its reverse (201000001021201), we get a palindrome (303120101021303).

The spelling of 102120100000102 in words is "one hundred two trillion, one hundred twenty billion, one hundred million, one hundred two", and thus it is an aban number.