121000211122121 has 8 divisors (see below), whose sum is σ = 122505592177344. Its totient is φ = 119504093950800.

The previous prime is 121000211122081. The next prime is 121000211122201. The reversal of 121000211122121 is 121221112000121.

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 121000211122121 - 2¹⁴ = 121000211105737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121000211122121.

It is not an unprimeable number, because it can be changed into a prime (121000211122621) 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, 2315944691 + ... + 2315996936.

It is an arithmetic number, because the mean of its divisors is an integer number (15313199022168).

Almost surely, 2^{121000211122121} is an apocalyptic number.

It is an amenable number.

121000211122121 is a deficient number, since it is larger than the sum of its proper divisors (1505381055223).

121000211122121 is a wasteful number, since it uses less digits than its factorization.

121000211122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631941951.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121000211122121 its reverse (121221112000121), we get a palindrome (242221323122242).

The spelling of 121000211122121 in words is "one hundred twenty-one trillion, two hundred eleven million, one hundred twenty-two thousand, one hundred twenty-one".