121010420203 has 2 divisors, whose sum is σ = 121010420204. Its totient is φ = 121010420202.

The previous prime is 121010420143. The next prime is 121010420207. The reversal of 121010420203 is 302024010121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121010420203 is a prime.

It is a super-2 number, since 2×121010420203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121010420207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505210101 + 60505210102.

It is an arithmetic number, because the mean of its divisors is an integer number (60505210102).

Almost surely, 2^121010420203 is an apocalyptic number.

121010420203 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010420203 is an equidigital number, since it uses as much as digits as its factorization.

121010420203 is an evil number, because the sum of its binary digits is even.

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

Adding to 121010420203 its reverse (302024010121), we get a palindrome (423034430324).

The spelling of 121010420203 in words is "one hundred twenty-one billion, ten million, four hundred twenty thousand, two hundred three".