1010220101081 has 2 divisors, whose sum is σ = 1010220101082. Its totient is φ = 1010220101080.

The previous prime is 1010220101027. The next prime is 1010220101167. The reversal of 1010220101081 is 1801010220101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 746394051481 + 263826049600 = 863941^2 + 513640^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010220101081 - 2¹⁴ = 1010220084697 is a prime.

It is a super-2 number, since 2×1010220101081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1010220101281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505110050540 + 505110050541.

It is an arithmetic number, because the mean of its divisors is an integer number (505110050541).

Almost surely, 2^{1010220101081} is an apocalyptic number.

It is an amenable number.

1010220101081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010220101081 is an equidigital number, since it uses as much as digits as its factorization.

1010220101081 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 17.

Adding to 1010220101081 its reverse (1801010220101), we get a palindrome (2811230321182).

The spelling of 1010220101081 in words is "one trillion, ten billion, two hundred twenty million, one hundred one thousand, eighty-one".