1121000202201 has 24 divisors (see below), whose sum is σ = 1644396580512. Its totient is φ = 678774500800.

The previous prime is 1121000202181. The next prime is 1121000202209. The reversal of 1121000202201 is 1022020001211.

It is not a de Polignac number, because 1121000202201 - 2⁹ = 1121000201689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121000202209) 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, 1009335 + ... + 1805756.

It is an arithmetic number, because the mean of its divisors is an integer number (68516524188).

Almost surely, 2^{1121000202201} is an apocalyptic number.

1121000202201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121000202201 is a deficient number, since it is larger than the sum of its proper divisors (523396378311).

1121000202201 is a wasteful number, since it uses less digits than its factorization.

1121000202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816213 (or 2816202 counting only the distinct ones).

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

Adding to 1121000202201 its reverse (1022020001211), we get a palindrome (2143020203412).

The spelling of 1121000202201 in words is "one trillion, one hundred twenty-one billion, two hundred two thousand, two hundred one".