121022212120001 has 4 divisors (see below), whose sum is σ = 127391802231600. Its totient is φ = 114652622008404.

The previous prime is 121022212119967. The next prime is 121022212120003. The reversal of 121022212120001 is 100021212220121.

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 121022212120001 - 2⁶ = 121022212119937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121022212120003) 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, 3184795055771 + ... + 3184795055808.

It is an arithmetic number, because the mean of its divisors is an integer number (31847950557900).

Almost surely, 2^{121022212120001} is an apocalyptic number.

It is an amenable number.

121022212120001 is a deficient number, since it is larger than the sum of its proper divisors (6369590111599).

121022212120001 is an equidigital number, since it uses as much as digits as its factorization.

121022212120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369590111598.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121022212120001 its reverse (100021212220121), we get a palindrome (221043424340122).

The spelling of 121022212120001 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred twelve million, one hundred twenty thousand, one".