122121220003 has 8 divisors (see below), whose sum is σ = 127434477600. Its totient is φ = 116808265728.

The previous prime is 122121219977. The next prime is 122121220051. The reversal of 122121220003 is 300022121221.

It is a happy number.

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 122121220003 - 2¹³ = 122121211811 is a prime.

It is a super-2 number, since 2×122121220003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122121220093) 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, 1213603 + ... + 1310371.

It is an arithmetic number, because the mean of its divisors is an integer number (15929309700).

Almost surely, 2^122121220003 is an apocalyptic number.

122121220003 is a deficient number, since it is larger than the sum of its proper divisors (5313257597).

122121220003 is an equidigital number, since it uses as much as digits as its factorization.

122121220003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151661.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 122121220003 its reverse (300022121221), we get a palindrome (422143341224).

The spelling of 122121220003 in words is "one hundred twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, three".