102120002221102 has 16 divisors (see below), whose sum is σ = 154761609045024. Its totient is φ = 50533223860000.

The previous prime is 102120002221099. The next prime is 102120002221103. The reversal of 102120002221102 is 201122200021201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120002221103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105681274 + ... + 106643197.

It is an arithmetic number, because the mean of its divisors is an integer number (9672600565314).

Almost surely, 2^{102120002221102} is an apocalyptic number.

102120002221102 is a deficient number, since it is larger than the sum of its proper divisors (52641606823922).

102120002221102 is a wasteful number, since it uses less digits than its factorization.

102120002221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212326955.

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

Adding to 102120002221102 its reverse (201122200021201), we get a palindrome (303242202242303).

The spelling of 102120002221102 in words is "one hundred two trillion, one hundred twenty billion, two million, two hundred twenty-one thousand, one hundred two".