121001223233101 has 4 divisors (see below), whose sum is σ = 121451041907100. Its totient is φ = 120551404559104.

The previous prime is 121001223232961. The next prime is 121001223233113. The reversal of 121001223233101 is 101332322100121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52043960222500 + 68957263010601 = 7214150^2 + 8304051^2 .

It is a cyclic number.

It is not a de Polignac number, because 121001223233101 - 2²³ = 121001214844493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001223233201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224909336596 + ... + 224909337133.

It is an arithmetic number, because the mean of its divisors is an integer number (30362760476775).

Almost surely, 2^{121001223233101} is an apocalyptic number.

It is an amenable number.

121001223233101 is a deficient number, since it is larger than the sum of its proper divisors (449818673999).

121001223233101 is an equidigital number, since it uses as much as digits as its factorization.

121001223233101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449818673998.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121001223233101 its reverse (101332322100121), we get a palindrome (222333545333222).

The spelling of 121001223233101 in words is "one hundred twenty-one trillion, one billion, two hundred twenty-three million, two hundred thirty-three thousand, one hundred one".