121211001020119 has 2 divisors, whose sum is σ = 121211001020120. Its totient is φ = 121211001020118.

The previous prime is 121211001020089. The next prime is 121211001020173. The reversal of 121211001020119 is 911020100112121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121211001020119 is a prime.

It is a super-2 number, since 2×121211001020119² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121211001020119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121211001020419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605500510059 + 60605500510060.

It is an arithmetic number, because the mean of its divisors is an integer number (60605500510060).

Almost surely, 2^{121211001020119} is an apocalyptic number.

121211001020119 is a deficient number, since it is larger than the sum of its proper divisors (1).

121211001020119 is an equidigital number, since it uses as much as digits as its factorization.

121211001020119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 121211001020119 in words is "one hundred twenty-one trillion, two hundred eleven billion, one million, twenty thousand, one hundred nineteen".