1220010201211 has 16 divisors (see below), whose sum is σ = 1290292593408. Its totient is φ = 1151670182400.

The previous prime is 1220010201191. The next prime is 1220010201281. The reversal of 1220010201211 is 1121020100221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220010201211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220010201191 and 1220010201200.

It is not an unprimeable number, because it can be changed into a prime (1220010201281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8024775 + ... + 8175391.

It is an arithmetic number, because the mean of its divisors is an integer number (80643287088).

Almost surely, 2^{1220010201211} is an apocalyptic number.

1220010201211 is a deficient number, since it is larger than the sum of its proper divisors (70282392197).

1220010201211 is a wasteful number, since it uses less digits than its factorization.

1220010201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157062.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220010201211 its reverse (1121020100221), we get a palindrome (2341030301432).

The spelling of 1220010201211 in words is "one trillion, two hundred twenty billion, ten million, two hundred one thousand, two hundred eleven".