1011022222061 has 2 divisors, whose sum is σ = 1011022222062. Its totient is φ = 1011022222060.

The previous prime is 1011022222027. The next prime is 1011022222159. The reversal of 1011022222061 is 1602222201101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 648558019561 + 362464202500 = 805331^2 + 602050^2 .

It is an emirp because it is prime and its reverse (1602222201101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011022222061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011022252061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505511111030 + 505511111031.

It is an arithmetic number, because the mean of its divisors is an integer number (505511111031).

Almost surely, 2^{1011022222061} is an apocalyptic number.

It is an amenable number.

1011022222061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011022222061 is an equidigital number, since it uses as much as digits as its factorization.

1011022222061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1011022222061 its reverse (1602222201101), we get a palindrome (2613244423162).

The spelling of 1011022222061 in words is "one trillion, eleven billion, twenty-two million, two hundred twenty-two thousand, sixty-one".