1211000422201 has 8 divisors (see below), whose sum is σ = 1282246225920. Its totient is φ = 1139755783488.

The previous prime is 1211000422193. The next prime is 1211000422223. The reversal of 1211000422201 is 1022240001121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1211000422201 - 2³ = 1211000422193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211000428201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2765640 + ... + 3173446.

It is an arithmetic number, because the mean of its divisors is an integer number (160280778240).

Almost surely, 2^{1211000422201} is an apocalyptic number.

It is an amenable number.

1211000422201 is a deficient number, since it is larger than the sum of its proper divisors (71245803719).

1211000422201 is a wasteful number, since it uses less digits than its factorization.

1211000422201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582503.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1211000422201 its reverse (1022240001121), we get a palindrome (2233240423322).

The spelling of 1211000422201 in words is "one trillion, two hundred eleven billion, four hundred twenty-two thousand, two hundred one".