1220012201211 has 8 divisors (see below), whose sum is σ = 1648966263120. Its totient is φ = 802199803392.

The previous prime is 1220012201171. The next prime is 1220012201249. The reversal of 1220012201211 is 1121022100221.

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

It is not a de Polignac number, because 1220012201211 - 2⁶ = 1220012201147 is a prime.

It is a super-3 number, since 3×1220012201211³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1220012201911) 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, 2785415766 + ... + 2785416203.

It is an arithmetic number, because the mean of its divisors is an integer number (206120782890).

Almost surely, 2^{1220012201211} is an apocalyptic number.

1220012201211 is a deficient number, since it is larger than the sum of its proper divisors (428954061909).

1220012201211 is an equidigital number, since it uses as much as digits as its factorization.

1220012201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570832045.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1220012201211 its reverse (1121022100221), we get a palindrome (2341034301432).

The spelling of 1220012201211 in words is "one trillion, two hundred twenty billion, twelve million, two hundred one thousand, two hundred eleven".