2122121012102 has 32 divisors (see below), whose sum is σ = 3920447596800. Its totient is φ = 838944887328.

The previous prime is 2122121012101. The next prime is 2122121012117. The reversal of 2122121012102 is 2012101212212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122121012101) 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 15 ways as a sum of consecutive naturals, for example, 3730352 + ... + 4261427.

It is an arithmetic number, because the mean of its divisors is an integer number (122513987400).

Almost surely, 2^{2122121012102} is an apocalyptic number.

2122121012102 is a deficient number, since it is larger than the sum of its proper divisors (1798326584698).

2122121012102 is a wasteful number, since it uses less digits than its factorization.

2122121012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7993260.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2122121012102 its reverse (2012101212212), we get a palindrome (4134222224314).

The spelling of 2122121012102 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, twelve thousand, one hundred two".