102011011200121 has 16 divisors (see below), whose sum is σ = 106486420993920. Its totient is φ = 97538950586880.

The previous prime is 102011011200103. The next prime is 102011011200127. The reversal of 102011011200121 is 121002110110201.

It is a happy number.

It is not a de Polignac number, because 102011011200121 - 2¹⁵ = 102011011167353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102011011200127) 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, 2560433161 + ... + 2560473001.

It is an arithmetic number, because the mean of its divisors is an integer number (6655401312120).

Almost surely, 2^{102011011200121} is an apocalyptic number.

It is an amenable number.

102011011200121 is a deficient number, since it is larger than the sum of its proper divisors (4475409793799).

102011011200121 is a wasteful number, since it uses less digits than its factorization.

102011011200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79056.

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

Adding to 102011011200121 its reverse (121002110110201), we get a palindrome (223013121310322).

The spelling of 102011011200121 in words is "one hundred two trillion, eleven billion, eleven million, two hundred thousand, one hundred twenty-one".