121220141101 has 4 divisors (see below), whose sum is σ = 122927467104. Its totient is φ = 119512815100.

The previous prime is 121220141083. The next prime is 121220141111. The reversal of 121220141101 is 101141022121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 101141022121 = 167 ⋅605634863.

It is a cyclic number.

It is not a de Polignac number, because 121220141101 - 2⁹ = 121220140589 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 (121220141111) 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, 853662895 + ... + 853663036.

It is an arithmetic number, because the mean of its divisors is an integer number (30731866776).

Almost surely, 2^121220141101 is an apocalyptic number.

It is an amenable number.

121220141101 is a deficient number, since it is larger than the sum of its proper divisors (1707326003).

121220141101 is an equidigital number, since it uses as much as digits as its factorization.

121220141101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707326002.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121220141101 its reverse (101141022121), we get a palindrome (222361163222).

The spelling of 121220141101 in words is "one hundred twenty-one billion, two hundred twenty million, one hundred forty-one thousand, one hundred one".