1220212020011 has 2 divisors, whose sum is σ = 1220212020012. Its totient is φ = 1220212020010.

The previous prime is 1220212019993. The next prime is 1220212020047. The reversal of 1220212020011 is 1100202120221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220212020011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220212028011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610106010005 + 610106010006.

It is an arithmetic number, because the mean of its divisors is an integer number (610106010006).

Almost surely, 2^{1220212020011} is an apocalyptic number.

1220212020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220212020011 is an equidigital number, since it uses as much as digits as its factorization.

1220212020011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220212020011 its reverse (1100202120221), we get a palindrome (2320414140232).

The spelling of 1220212020011 in words is "one trillion, two hundred twenty billion, two hundred twelve million, twenty thousand, eleven".