102101220120212 has 6 divisors (see below), whose sum is σ = 178677135210378. Its totient is φ = 51050610060104.

The previous prime is 102101220120187. The next prime is 102101220120241. The reversal of 102101220120212 is 212021022101201.

102101220120212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 100417755389956 + 1683464730256 = 10020866^2 + 1297484^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12762652515023 + ... + 12762652515030.

It is an arithmetic number, because the mean of its divisors is an integer number (29779522535063).

Almost surely, 2^{102101220120212} is an apocalyptic number.

It is an amenable number.

102101220120212 is a deficient number, since it is larger than the sum of its proper divisors (76575915090166).

102101220120212 is a wasteful number, since it uses less digits than its factorization.

102101220120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25525305030057 (or 25525305030055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102101220120212 its reverse (212021022101201), we get a palindrome (314122242221413).

The spelling of 102101220120212 in words is "one hundred two trillion, one hundred one billion, two hundred twenty million, one hundred twenty thousand, two hundred twelve".