102011120021001 has 8 divisors (see below), whose sum is σ = 136020438195840. Its totient is φ = 68004607596752.

The previous prime is 102011120020889. The next prime is 102011120021023. The reversal of 102011120021001 is 100120021110201.

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

It is a cyclic number.

It is not a de Polignac number, because 102011120021001 - 2²⁶ = 102011052912137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102011120021051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701352810 + ... + 701498243.

It is an arithmetic number, because the mean of its divisors is an integer number (17002554774480).

Almost surely, 2^{102011120021001} is an apocalyptic number.

It is an amenable number.

102011120021001 is a deficient number, since it is larger than the sum of its proper divisors (34009318174839).

102011120021001 is a wasteful number, since it uses less digits than its factorization.

102011120021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402875295.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102011120021001 its reverse (100120021110201), we get a palindrome (202131141131202).

The spelling of 102011120021001 in words is "one hundred two trillion, eleven billion, one hundred twenty million, twenty-one thousand, one".