1121021102029 has 2 divisors, whose sum is σ = 1121021102030. Its totient is φ = 1121021102028.

The previous prime is 1121021101987. The next prime is 1121021102053. The reversal of 1121021102029 is 9202011201211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1109068053129 + 11953048900 = 1053123^2 + 109330^2 .

It is an emirp because it is prime and its reverse (9202011201211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121021102029 - 2¹¹ = 1121021099981 is a prime.

It is a super-2 number, since 2×1121021102029² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121021102429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560510551014 + 560510551015.

It is an arithmetic number, because the mean of its divisors is an integer number (560510551015).

Almost surely, 2^{1121021102029} is an apocalyptic number.

It is an amenable number.

1121021102029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121021102029 is an equidigital number, since it uses as much as digits as its factorization.

1121021102029 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 1121021102029 in words is "one trillion, one hundred twenty-one billion, twenty-one million, one hundred two thousand, twenty-nine".