121002111020029 has 2 divisors, whose sum is σ = 121002111020030. Its totient is φ = 121002111020028.

The previous prime is 121002111019963. The next prime is 121002111020033. The reversal of 121002111020029 is 920020111200121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120896292231225 + 105818788804 = 10995285^2 + 325298^2 .

It is a cyclic number.

It is not a de Polignac number, because 121002111020029 - 2¹¹ = 121002111017981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121002111019991 and 121002111020009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121002111030029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60501055510014 + 60501055510015.

It is an arithmetic number, because the mean of its divisors is an integer number (60501055510015).

Almost surely, 2^{121002111020029} is an apocalyptic number.

It is an amenable number.

121002111020029 is a deficient number, since it is larger than the sum of its proper divisors (1).

121002111020029 is an equidigital number, since it uses as much as digits as its factorization.

121002111020029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 121002111020029 in words is "one hundred twenty-one trillion, two billion, one hundred eleven million, twenty thousand, twenty-nine".