121002023112211 has 4 divisors (see below), whose sum is σ = 122985662835424. Its totient is φ = 119018383389000.

The previous prime is 121002023112181. The next prime is 121002023112281. The reversal of 121002023112211 is 112211320200121.

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

It is a cyclic number.

It is not a de Polignac number, because 121002023112211 - 2⁹ = 121002023111699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121002023112281) 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, 991819861515 + ... + 991819861636.

It is an arithmetic number, because the mean of its divisors is an integer number (30746415708856).

Almost surely, 2^{121002023112211} is an apocalyptic number.

121002023112211 is a deficient number, since it is larger than the sum of its proper divisors (1983639723213).

121002023112211 is an equidigital number, since it uses as much as digits as its factorization.

121002023112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983639723212.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 121002023112211 its reverse (112211320200121), we get a palindrome (233213343312332).

The spelling of 121002023112211 in words is "one hundred twenty-one trillion, two billion, twenty-three million, one hundred twelve thousand, two hundred eleven".