121202020003 has 16 divisors (see below), whose sum is σ = 122854579200. Its totient is φ = 119563440160.

The previous prime is 121202019997. The next prime is 121202020019. The reversal of 121202020003 is 300020202121.

It is a cyclic number.

It is not a de Polignac number, because 121202020003 - 2¹³ = 121202011811 is a prime.

It is a super-2 number, since 2×121202020003² (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 (121202020903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14829108 + ... + 14837278.

It is an arithmetic number, because the mean of its divisors is an integer number (7678411200).

Almost surely, 2^121202020003 is an apocalyptic number.

121202020003 is a deficient number, since it is larger than the sum of its proper divisors (1652559197).

121202020003 is a wasteful number, since it uses less digits than its factorization.

121202020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9002.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 121202020003 its reverse (300020202121), we get a palindrome (421222222124).

The spelling of 121202020003 in words is "one hundred twenty-one billion, two hundred two million, twenty thousand, three".