121201102100153 has 2 divisors, whose sum is σ = 121201102100154. Its totient is φ = 121201102100152.

The previous prime is 121201102100087. The next prime is 121201102100171. The reversal of 121201102100153 is 351001201102121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119687385269929 + 1513716830224 = 10940173^2 + 1230332^2 .

It is a cyclic number.

It is not a de Polignac number, because 121201102100153 - 2²⁴ = 121201085322937 is a prime.

It is not a weakly prime, because it can be changed into another prime (121201102102153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600551050076 + 60600551050077.

It is an arithmetic number, because the mean of its divisors is an integer number (60600551050077).

Almost surely, 2^{121201102100153} is an apocalyptic number.

It is an amenable number.

121201102100153 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201102100153 is an equidigital number, since it uses as much as digits as its factorization.

121201102100153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 121201102100153 its reverse (351001201102121), we get a palindrome (472202303202274).

The spelling of 121201102100153 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred two million, one hundred thousand, one hundred fifty-three".