102120120101210 has 8 divisors (see below), whose sum is σ = 183816216182196. Its totient is φ = 40848048040480.

The previous prime is 102120120101179. The next prime is 102120120101231. The reversal of 102120120101210 is 12101021021201.

It can be written as a sum of positive squares in 2 ways, for example, as 101407377235129 + 712742866081 = 10070123^2 + 844241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5106006005051 + ... + 5106006005070.

Almost surely, 2^{102120120101210} is an apocalyptic number.

102120120101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102120120101210 is a deficient number, since it is larger than the sum of its proper divisors (81696096080986).

102120120101210 is a wasteful number, since it uses less digits than its factorization.

102120120101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212012010128.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102120120101210 its reverse (12101021021201), we get a palindrome (114221141122411).

The spelling of 102120120101210 in words is "one hundred two trillion, one hundred twenty billion, one hundred twenty million, one hundred one thousand, two hundred ten".