121012022231 has 2 divisors, whose sum is σ = 121012022232. Its totient is φ = 121012022230.

The previous prime is 121012022213. The next prime is 121012022249. The reversal of 121012022231 is 132220210121.

Together with previous prime (121012022213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (121012022213) and next prime (121012022249).

It is an emirp because it is prime and its reverse (132220210121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121012022231 - 2⁶ = 121012022167 is a prime.

It is a super-2 number, since 2×121012022231² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121012022281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506011115 + 60506011116.

It is an arithmetic number, because the mean of its divisors is an integer number (60506011116).

Almost surely, 2^121012022231 is an apocalyptic number.

121012022231 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012022231 is an equidigital number, since it uses as much as digits as its factorization.

121012022231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121012022231 its reverse (132220210121), we get a palindrome (253232232352).

The spelling of 121012022231 in words is "one hundred twenty-one billion, twelve million, twenty-two thousand, two hundred thirty-one".