1122000021201 has 24 divisors (see below), whose sum is σ = 1561120307712. Its totient is φ = 716703756000.

The previous prime is 1122000021193. The next prime is 1122000021209. The reversal of 1122000021201 is 1021200002211.

It is an interprime number because it is at equal distance from previous prime (1122000021193) and next prime (1122000021209).

It is not a de Polignac number, because 1122000021201 - 2³ = 1122000021193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122000021209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1635441 + ... + 2217806.

It is an arithmetic number, because the mean of its divisors is an integer number (65046679488).

Almost surely, 2^{1122000021201} is an apocalyptic number.

It is an amenable number.

1122000021201 is a deficient number, since it is larger than the sum of its proper divisors (439120286511).

1122000021201 is a wasteful number, since it uses less digits than its factorization.

1122000021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853413 (or 3853382 counting only the distinct ones).

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

Adding to 1122000021201 its reverse (1021200002211), we get a palindrome (2143200023412).

The spelling of 1122000021201 in words is "one trillion, one hundred twenty-two billion, twenty-one thousand, two hundred one".