1020022021011 has 12 divisors (see below), whose sum is σ = 1582074971592. Its totient is φ = 582869726208.

The previous prime is 1020022020989. The next prime is 1020022021033. The reversal of 1020022021011 is 1101202200201.

It is an interprime number because it is at equal distance from previous prime (1020022020989) and next prime (1020022021033).

It is not a de Polignac number, because 1020022021011 - 2¹⁵ = 1020021988243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020022021061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3469462510 + ... + 3469462803.

It is an arithmetic number, because the mean of its divisors is an integer number (131839580966).

Almost surely, 2^{1020022021011} is an apocalyptic number.

1020022021011 is a deficient number, since it is larger than the sum of its proper divisors (562052950581).

1020022021011 is an equidigital number, since it uses as much as digits as its factorization.

1020022021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938925330 (or 6938925323 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020022021011 its reverse (1101202200201), we get a palindrome (2121224221212).

The spelling of 1020022021011 in words is "one trillion, twenty billion, twenty-two million, twenty-one thousand, eleven".