121040123222 has 4 divisors (see below), whose sum is σ = 181560184836. Its totient is φ = 60520061610.

The previous prime is 121040123221. The next prime is 121040123231. The reversal of 121040123222 is 222321040121.

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

It is a super-2 number, since 2×121040123222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121040123194 and 121040123203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121040123221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30260030804 + ... + 30260030807.

It is an arithmetic number, because the mean of its divisors is an integer number (45390046209).

Almost surely, 2^121040123222 is an apocalyptic number.

121040123222 is a deficient number, since it is larger than the sum of its proper divisors (60520061614).

121040123222 is an equidigital number, since it uses as much as digits as its factorization.

121040123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60520061613.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 121040123222 its reverse (222321040121), we get a palindrome (343361163343).

The spelling of 121040123222 in words is "one hundred twenty-one billion, forty million, one hundred twenty-three thousand, two hundred twenty-two".