1021222010011 has 16 divisors (see below), whose sum is σ = 1218169363968. Its totient is φ = 837058939200.

The previous prime is 1021222010009. The next prime is 1021222010021. The reversal of 1021222010011 is 1100102221201.

It is a cyclic number.

It is not a de Polignac number, because 1021222010011 - 2¹ = 1021222010009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021222009973 and 1021222010000.

It is not an unprimeable number, because it can be changed into a prime (1021222010021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192345 + ... + 1442026.

It is an arithmetic number, because the mean of its divisors is an integer number (76135585248).

Almost surely, 2^{1021222010011} is an apocalyptic number.

1021222010011 is a deficient number, since it is larger than the sum of its proper divisors (196947353957).

1021222010011 is a wasteful number, since it uses less digits than its factorization.

1021222010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638282.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021222010011 its reverse (1100102221201), we get a palindrome (2121324231212).

The spelling of 1021222010011 in words is "one trillion, twenty-one billion, two hundred twenty-two million, ten thousand, eleven".