1202211001211 has 8 divisors (see below), whose sum is σ = 1342002978624. Its totient is φ = 1067502368520.

The previous prime is 1202211001183. The next prime is 1202211001253. The reversal of 1202211001211 is 1121001122021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202211001211 is a prime.

It is a super-2 number, since 2×1202211001211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1202211009211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270835681 + ... + 1270836626.

It is an arithmetic number, because the mean of its divisors is an integer number (167750372328).

Almost surely, 2^{1202211001211} is an apocalyptic number.

1202211001211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1202211001211 is a deficient number, since it is larger than the sum of its proper divisors (139791977413).

1202211001211 is a wasteful number, since it uses less digits than its factorization.

1202211001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541672361.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1202211001211 its reverse (1121001122021), we get a palindrome (2323212123232).

The spelling of 1202211001211 in words is "one trillion, two hundred two billion, two hundred eleven million, one thousand, two hundred eleven".