121000012201023 has 8 divisors (see below), whose sum is σ = 166537651201536. Its totient is φ = 78064524000600.

The previous prime is 121000012201001. The next prime is 121000012201091. The reversal of 121000012201023 is 320102210000121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121000012201023 - 2¹² = 121000012196927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121000012200993 and 121000012201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000012201093) 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, 650537699913 + ... + 650537700098.

It is an arithmetic number, because the mean of its divisors is an integer number (20817206400192).

Almost surely, 2^{121000012201023} is an apocalyptic number.

121000012201023 is a deficient number, since it is larger than the sum of its proper divisors (45537639000513).

121000012201023 is a wasteful number, since it uses less digits than its factorization.

121000012201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301075400045.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121000012201023 its reverse (320102210000121), we get a palindrome (441102222201144).

The spelling of 121000012201023 in words is "one hundred twenty-one trillion, twelve million, two hundred one thousand, twenty-three".