121010121022001 has 4 divisors (see below), whose sum is σ = 121010222207472. Its totient is φ = 121010019836532.

The previous prime is 121010121021983. The next prime is 121010121022013. The reversal of 121010121022001 is 100220121010121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121010121022001 - 2¹⁴ = 121010121005617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121010121022081) 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, 48777131 + ... + 51197936.

It is an arithmetic number, because the mean of its divisors is an integer number (30252555551868).

Almost surely, 2^{121010121022001} is an apocalyptic number.

It is an amenable number.

121010121022001 is a deficient number, since it is larger than the sum of its proper divisors (101185471).

121010121022001 is an equidigital number, since it uses as much as digits as its factorization.

121010121022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101185470.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121010121022001 its reverse (100220121010121), we get a palindrome (221230242032122).

The spelling of 121010121022001 in words is "one hundred twenty-one trillion, ten billion, one hundred twenty-one million, twenty-two thousand, one".