121023122330111 has 4 divisors (see below), whose sum is σ = 121023906470400. Its totient is φ = 121022338189824.

The previous prime is 121023122330083. The next prime is 121023122330129. The reversal of 121023122330111 is 111033221320121.

It is a happy number.

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 121023122330111 - 2²² = 121023118135807 is a prime.

It is a super-2 number, since 2×121023122330111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121023122300111) 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, 391838591 + ... + 392147328.

It is an arithmetic number, because the mean of its divisors is an integer number (30255976617600).

Almost surely, 2^{121023122330111} is an apocalyptic number.

121023122330111 is a deficient number, since it is larger than the sum of its proper divisors (784140289).

121023122330111 is an equidigital number, since it uses as much as digits as its factorization.

121023122330111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784140288.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 121023122330111 its reverse (111033221320121), we get a palindrome (232056343650232).

The spelling of 121023122330111 in words is "one hundred twenty-one trillion, twenty-three billion, one hundred twenty-two million, three hundred thirty thousand, one hundred eleven".