1121002020201 has 24 divisors (see below), whose sum is σ = 1738791896544. Its totient is φ = 640537625280.

The previous prime is 1121002020197. The next prime is 1121002020223. The reversal of 1121002020201 is 1020202001211.

It is not a de Polignac number, because 1121002020201 - 2² = 1121002020197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121002022201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2625541 + ... + 3022493.

It is an arithmetic number, because the mean of its divisors is an integer number (72449662356).

Almost surely, 2^{1121002020201} is an apocalyptic number.

It is an amenable number.

1121002020201 is a deficient number, since it is larger than the sum of its proper divisors (617789876343).

1121002020201 is a wasteful number, since it uses less digits than its factorization.

1121002020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416181 (or 416174 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1121002020201 its reverse (1020202001211), we get a palindrome (2141204021412).

The spelling of 1121002020201 in words is "one trillion, one hundred twenty-one billion, two million, twenty thousand, two hundred one".