121000101203 has 2 divisors, whose sum is σ = 121000101204. Its totient is φ = 121000101202.

The previous prime is 121000101199. The next prime is 121000101217. The reversal of 121000101203 is 302101000121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121000101203 - 2² = 121000101199 is a prime.

It is a super-2 number, since 2×121000101203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121000101503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500050601 + 60500050602.

It is an arithmetic number, because the mean of its divisors is an integer number (60500050602).

Almost surely, 2^121000101203 is an apocalyptic number.

121000101203 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000101203 is an equidigital number, since it uses as much as digits as its factorization.

121000101203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 121000101203 its reverse (302101000121), we get a palindrome (423101101324).

The spelling of 121000101203 in words is "one hundred twenty-one billion, one hundred one thousand, two hundred three".