1020012222101 has 2 divisors, whose sum is σ = 1020012222102. Its totient is φ = 1020012222100.

The previous prime is 1020012222071. The next prime is 1020012222107. The reversal of 1020012222101 is 1012222100201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 978815401201 + 41196820900 = 989351^2 + 202970^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020012222101 - 2⁶ = 1020012222037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020012222107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510006111050 + 510006111051.

It is an arithmetic number, because the mean of its divisors is an integer number (510006111051).

Almost surely, 2^{1020012222101} is an apocalyptic number.

It is an amenable number.

1020012222101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020012222101 is an equidigital number, since it uses as much as digits as its factorization.

1020012222101 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 1020012222101 its reverse (1012222100201), we get a palindrome (2032234322302).

The spelling of 1020012222101 in words is "one trillion, twenty billion, twelve million, two hundred twenty-two thousand, one hundred one".