1201122022211 has 2 divisors, whose sum is σ = 1201122022212. Its totient is φ = 1201122022210.

The previous prime is 1201122022193. The next prime is 1201122022259. The reversal of 1201122022211 is 1122202211021.

It is a weak prime.

It is an emirp because it is prime and its reverse (1122202211021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201122022211 - 2³⁸ = 926244115267 is a prime.

It is a super-2 number, since 2×1201122022211² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1201122022211.

It is not a weakly prime, because it can be changed into another prime (1201122022411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600561011105 + 600561011106.

It is an arithmetic number, because the mean of its divisors is an integer number (600561011106).

Almost surely, 2^{1201122022211} is an apocalyptic number.

1201122022211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201122022211 is an equidigital number, since it uses as much as digits as its factorization.

1201122022211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1201122022211 its reverse (1122202211021), we get a palindrome (2323324233232).

The spelling of 1201122022211 in words is "one trillion, two hundred one billion, one hundred twenty-two million, twenty-two thousand, two hundred eleven".