102122121202122 has 32 divisors (see below), whose sum is σ = 240951732977664. Its totient is φ = 28236531207600.

The previous prime is 102122121202103. The next prime is 102122121202139. The reversal of 102122121202122 is 221202121221201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 39217403154 + ... + 39217405757.

It is an arithmetic number, because the mean of its divisors is an integer number (7529741655552).

Almost surely, 2^{102122121202122} is an apocalyptic number.

102122121202122 is an abundant number, since it is smaller than the sum of its proper divisors (138829611775542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102122121202122 is a wasteful number, since it uses less digits than its factorization.

102122121202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78434808954.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 102122121202122 its reverse (221202121221201), we get a palindrome (323324242423323).

The spelling of 102122121202122 in words is "one hundred two trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred two thousand, one hundred twenty-two".