1121021101201 has 2 divisors, whose sum is σ = 1121021101202. Its totient is φ = 1121021101200.

The previous prime is 1121021101117. The next prime is 1121021101219. The reversal of 1121021101201 is 1021011201211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 727308774976 + 393712326225 = 852824^2 + 627465^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121021101201 - 2²³ = 1121012712593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121021101261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560510550600 + 560510550601.

It is an arithmetic number, because the mean of its divisors is an integer number (560510550601).

Almost surely, 2^{1121021101201} is an apocalyptic number.

It is an amenable number.

1121021101201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121021101201 is an equidigital number, since it uses as much as digits as its factorization.

1121021101201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121021101201 its reverse (1021011201211), we get a palindrome (2142032302412).

The spelling of 1121021101201 in words is "one trillion, one hundred twenty-one billion, twenty-one million, one hundred one thousand, two hundred one".