121000011120101 has 2 divisors, whose sum is σ = 121000011120102. Its totient is φ = 121000011120100.

The previous prime is 121000011120089. The next prime is 121000011120103. The reversal of 121000011120101 is 101021110000121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79179280179076 + 41820730941025 = 8898274^2 + 6466895^2 .

It is a cyclic number.

It is not a de Polignac number, because 121000011120101 - 2²⁶ = 120999944011237 is a prime.

It is a super-3 number, since 3×121000011120101³ (a number of 43 digits) contains 333 as substring.

Together with 121000011120103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121000011120103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500005560050 + 60500005560051.

It is an arithmetic number, because the mean of its divisors is an integer number (60500005560051).

Almost surely, 2^{121000011120101} is an apocalyptic number.

It is an amenable number.

121000011120101 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000011120101 is an equidigital number, since it uses as much as digits as its factorization.

121000011120101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121000011120101 its reverse (101021110000121), we get a palindrome (222021121120222).

The spelling of 121000011120101 in words is "one hundred twenty-one trillion, eleven million, one hundred twenty thousand, one hundred one".