121012102231 has 8 divisors (see below), whose sum is σ = 125043606144. Its totient is φ = 116988591360.

The previous prime is 121012102229. The next prime is 121012102339. The reversal of 121012102231 is 132201210121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121012102231 - 2¹ = 121012102229 is a prime.

It is a super-2 number, since 2×121012102231² (a number of 23 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 (121012102831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1967470 + ... + 2028043.

It is an arithmetic number, because the mean of its divisors is an integer number (15630450768).

Almost surely, 2^121012102231 is an apocalyptic number.

121012102231 is a deficient number, since it is larger than the sum of its proper divisors (4031503913).

121012102231 is an equidigital number, since it uses as much as digits as its factorization.

121012102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996521.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121012102231 its reverse (132201210121), we get a palindrome (253213312352).

It can be divided in two parts, 12101210 and 2231, that added together give a square (12103441 = 3479²).

The spelling of 121012102231 in words is "one hundred twenty-one billion, twelve million, one hundred two thousand, two hundred thirty-one".