102111200121001 has 8 divisors (see below), whose sum is σ = 107488550885600. Its totient is φ = 96734157063840.

The previous prime is 102111200120977. The next prime is 102111200121023. The reversal of 102111200121001 is 100121002111201.

It is a happy number.

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 102111200121001 - 2¹¹ = 102111200118953 is a prime.

It is a super-2 number, since 2×102111200121001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102111200121061) 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, 76245540 + ... + 77573221.

It is an arithmetic number, because the mean of its divisors is an integer number (13436068860700).

Almost surely, 2^{102111200121001} is an apocalyptic number.

It is an amenable number.

102111200121001 is a deficient number, since it is larger than the sum of its proper divisors (5377350764599).

102111200121001 is a wasteful number, since it uses less digits than its factorization.

102111200121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153853719.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102111200121001 its reverse (100121002111201), we get a palindrome (202232202232202).

It can be divided in two parts, 102111200 and 121001, that added together give a palindrome (102232201).

The spelling of 102111200121001 in words is "one hundred two trillion, one hundred eleven billion, two hundred million, one hundred twenty-one thousand, one".