1020220011011 has 2 divisors, whose sum is σ = 1020220011012. Its totient is φ = 1020220011010.

The previous prime is 1020220010983. The next prime is 1020220011029. The reversal of 1020220011011 is 1101100220201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020220011011 - 2¹⁴ = 1020219994627 is a prime.

It is a super-2 number, since 2×1020220011011² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020220010983 and 1020220011001.

It is not a weakly prime, because it can be changed into another prime (1020220011061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510110005505 + 510110005506.

It is an arithmetic number, because the mean of its divisors is an integer number (510110005506).

Almost surely, 2^{1020220011011} is an apocalyptic number.

1020220011011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020220011011 is an equidigital number, since it uses as much as digits as its factorization.

1020220011011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020220011011 its reverse (1101100220201), we get a palindrome (2121320231212).

The spelling of 1020220011011 in words is "one trillion, twenty billion, two hundred twenty million, eleven thousand, eleven".