121022212021123 has 8 divisors (see below), whose sum is σ = 138311167633760. Its totient is φ = 103733273453760.

The previous prime is 121022212021111. The next prime is 121022212021127. The reversal of 121022212021123 is 321120212220121.

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 121022212021123 - 2⁴¹ = 118823188765571 is a prime.

It is a super-2 number, since 2×121022212021123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121022212021094 and 121022212021103.

It is not an unprimeable number, because it can be changed into a prime (121022212021127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20703343 + ... + 25897351.

It is an arithmetic number, because the mean of its divisors is an integer number (17288895954220).

Almost surely, 2^{121022212021123} is an apocalyptic number.

121022212021123 is a deficient number, since it is larger than the sum of its proper divisors (17288955612637).

121022212021123 is an equidigital number, since it uses as much as digits as its factorization.

121022212021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8522637.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121022212021123 its reverse (321120212220121), we get a palindrome (442142424241244).

The spelling of 121022212021123 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred twelve million, twenty-one thousand, one hundred twenty-three".