102121100007 has 16 divisors (see below), whose sum is σ = 136501355520. Its totient is φ = 67910964992.

The previous prime is 102121099979. The next prime is 102121100009. The reversal of 102121100007 is 700001121201.

It is a cyclic number.

It is not a de Polignac number, because 102121100007 - 2⁷ = 102121099879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121100009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2409463 + ... + 2451479.

It is an arithmetic number, because the mean of its divisors is an integer number (8531334720).

Almost surely, 2^102121100007 is an apocalyptic number.

102121100007 is a deficient number, since it is larger than the sum of its proper divisors (34380255513).

102121100007 is a wasteful number, since it uses less digits than its factorization.

102121100007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44022.

The product of its (nonzero) digits is 28, while the sum is 15.

Adding to 102121100007 its reverse (700001121201), we get a palindrome (802122221208).

The spelling of 102121100007 in words is "one hundred two billion, one hundred twenty-one million, one hundred thousand, seven".