102011120100121 has 16 divisors (see below), whose sum is σ = 107991910195200. Its totient is φ = 96091627336848.

The previous prime is 102011120100091. The next prime is 102011120100181. The reversal of 102011120100121 is 121001021110201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102011120100121 - 2⁴¹ = 99812096844569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102011120100181) 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, 29311800 + ... + 32606806.

It is an arithmetic number, because the mean of its divisors is an integer number (6749494387200).

Almost surely, 2^{102011120100121} is an apocalyptic number.

It is an amenable number.

102011120100121 is a deficient number, since it is larger than the sum of its proper divisors (5980790095079).

102011120100121 is a wasteful number, since it uses less digits than its factorization.

102011120100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304308.

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

Adding to 102011120100121 its reverse (121001021110201), we get a palindrome (223012141210322).

The spelling of 102011120100121 in words is "one hundred two trillion, eleven billion, one hundred twenty million, one hundred thousand, one hundred twenty-one".