102011321032121 has 16 divisors (see below), whose sum is σ = 103877325552000. Its totient is φ = 100167411801600.

The previous prime is 102011321032111. The next prime is 102011321032123. The reversal of 102011321032121 is 121230123110201.

It is a cyclic number.

It is not a de Polignac number, because 102011321032121 - 2⁶ = 102011321032057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102011321032093 and 102011321032102.

It is not an unprimeable number, because it can be changed into a prime (102011321032123) 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, 6091256 + ... + 15528233.

It is an arithmetic number, because the mean of its divisors is an integer number (6492332847000).

Almost surely, 2^{102011321032121} is an apocalyptic number.

It is an amenable number.

102011321032121 is a deficient number, since it is larger than the sum of its proper divisors (1866004519879).

102011321032121 is a wasteful number, since it uses less digits than its factorization.

102011321032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21620000.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 102011321032121 its reverse (121230123110201), we get a palindrome (223241444142322).

The spelling of 102011321032121 in words is "one hundred two trillion, eleven billion, three hundred twenty-one million, thirty-two thousand, one hundred twenty-one".