121120021010203 has 2 divisors, whose sum is σ = 121120021010204. Its totient is φ = 121120021010202.

The previous prime is 121120021010099. The next prime is 121120021010231. The reversal of 121120021010203 is 302010120021121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121120021010203 - 2¹³ = 121120021002011 is a prime.

It is a super-2 number, since 2×121120021010203² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121120021010273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560010505101 + 60560010505102.

It is an arithmetic number, because the mean of its divisors is an integer number (60560010505102).

Almost surely, 2^{121120021010203} is an apocalyptic number.

121120021010203 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120021010203 is an equidigital number, since it uses as much as digits as its factorization.

121120021010203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121120021010203 its reverse (302010120021121), we get a palindrome (423130141031324).

The spelling of 121120021010203 in words is "one hundred twenty-one trillion, one hundred twenty billion, twenty-one million, ten thousand, two hundred three".