122121122010123 has 8 divisors (see below), whose sum is σ = 171398065979200. Its totient is φ = 77129129690568.

The previous prime is 122121122010119. The next prime is 122121122010149. The reversal of 122121122010123 is 321010221121221.

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

It is not a de Polignac number, because 122121122010123 - 2² = 122121122010119 is a prime.

It is a super-2 number, since 2×122121122010123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122121122010123.

It is not an unprimeable number, because it can be changed into a prime (122121122010523) 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, 1071237912313 + ... + 1071237912426.

It is an arithmetic number, because the mean of its divisors is an integer number (21424758247400).

Almost surely, 2^{122121122010123} is an apocalyptic number.

122121122010123 is a deficient number, since it is larger than the sum of its proper divisors (49276943969077).

122121122010123 is a wasteful number, since it uses less digits than its factorization.

122121122010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142475824761.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 122121122010123 its reverse (321010221121221), we get a palindrome (443131343131344).

The spelling of 122121122010123 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, one hundred twenty-two million, ten thousand, one hundred twenty-three".