121201000111121 has 8 divisors (see below), whose sum is σ = 140184289285824. Its totient is φ = 102634926083280.

The previous prime is 121201000111099. The next prime is 121201000111127. The reversal of 121201000111121 is 121111000102121.

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 121201000111121 - 2⁴⁶ = 50832255933457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121201000111096 and 121201000111105.

It is not an unprimeable number, because it can be changed into a prime (121201000111127) 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, 104303786090 + ... + 104303787251.

It is an arithmetic number, because the mean of its divisors is an integer number (17523036160728).

Almost surely, 2^{121201000111121} is an apocalyptic number.

It is an amenable number.

121201000111121 is a deficient number, since it is larger than the sum of its proper divisors (18983289174703).

121201000111121 is an equidigital number, since it uses as much as digits as its factorization.

121201000111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208607573431.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121201000111121 its reverse (121111000102121), we get a palindrome (242312000213242).

The spelling of 121201000111121 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred eleven thousand, one hundred twenty-one".