102120100202122 has 8 divisors (see below), whose sum is σ = 159840156838176. Its totient is φ = 48840047922732.

The previous prime is 102120100202059. The next prime is 102120100202123. The reversal of 102120100202122 is 221202001021201.

It is a happy number.

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

It is a super-3 number, since 3×102120100202122³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102120100202096 and 102120100202105.

It is not an unprimeable number, because it can be changed into a prime (102120100202123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110001089108 + ... + 1110001089199.

It is an arithmetic number, because the mean of its divisors is an integer number (19980019604772).

Almost surely, 2^{102120100202122} is an apocalyptic number.

102120100202122 is a deficient number, since it is larger than the sum of its proper divisors (57720056636054).

102120100202122 is a wasteful number, since it uses less digits than its factorization.

102120100202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220002178332.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102120100202122 its reverse (221202001021201), we get a palindrome (323322101223323).

The spelling of 102120100202122 in words is "one hundred two trillion, one hundred twenty billion, one hundred million, two hundred two thousand, one hundred twenty-two".