102120111211202 has 16 divisors (see below), whose sum is σ = 175077835054080. Its totient is φ = 43762065131808.

The previous prime is 102120111211123. The next prime is 102120111211207. The reversal of 102120111211202 is 202112111021201.

It is a super-2 number, since 2×102120111211202² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102120111211207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307896323 + ... + 308227814.

It is an arithmetic number, because the mean of its divisors is an integer number (10942364690880).

Almost surely, 2^{102120111211202} is an apocalyptic number.

102120111211202 is a deficient number, since it is larger than the sum of its proper divisors (72957723842878).

102120111211202 is a wasteful number, since it uses less digits than its factorization.

102120111211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616135985.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102120111211202 its reverse (202112111021201), we get a palindrome (304232222232403).

The spelling of 102120111211202 in words is "one hundred two trillion, one hundred twenty billion, one hundred eleven million, two hundred eleven thousand, two hundred two".