2122121200102 has 8 divisors (see below), whose sum is σ = 3183189871536. Its totient is φ = 1061057909592.

The previous prime is 2122121200099. The next prime is 2122121200117. The reversal of 2122121200102 is 2010021212212.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145173 + ... + 2065264.

It is an arithmetic number, because the mean of its divisors is an integer number (397898733942).

Almost surely, 2^{2122121200102} is an apocalyptic number.

2122121200102 is a deficient number, since it is larger than the sum of its proper divisors (1061068671434).

2122121200102 is a wasteful number, since it uses less digits than its factorization.

2122121200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690462.

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

Adding to 2122121200102 its reverse (2010021212212), we get a palindrome (4132142412314).

The spelling of 2122121200102 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred thousand, one hundred two".