121102202021149 has 2 divisors, whose sum is σ = 121102202021150. Its totient is φ = 121102202021148.

The previous prime is 121102202021081. The next prime is 121102202021153. The reversal of 121102202021149 is 941120202201121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74025546516100 + 47076655505049 = 8603810^2 + 6861243^2 .

It is a cyclic number.

It is not a de Polignac number, because 121102202021149 - 2²¹ = 121102199923997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121102202025149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551101010574 + 60551101010575.

It is an arithmetic number, because the mean of its divisors is an integer number (60551101010575).

Almost surely, 2^{121102202021149} is an apocalyptic number.

It is an amenable number.

121102202021149 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102202021149 is an equidigital number, since it uses as much as digits as its factorization.

121102202021149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 121102202021149 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred two million, twenty-one thousand, one hundred forty-nine".