1021202211011 has 2 divisors, whose sum is σ = 1021202211012. Its totient is φ = 1021202211010.

The previous prime is 1021202210993. The next prime is 1021202211089. The reversal of 1021202211011 is 1101122021201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021202211011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021202211811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510601105505 + 510601105506.

It is an arithmetic number, because the mean of its divisors is an integer number (510601105506).

Almost surely, 2^{1021202211011} is an apocalyptic number.

1021202211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021202211011 is an equidigital number, since it uses as much as digits as its factorization.

1021202211011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1021202211011 its reverse (1101122021201), we get a palindrome (2122324232212).

The spelling of 1021202211011 in words is "one trillion, twenty-one billion, two hundred two million, two hundred eleven thousand, eleven".