1022112211001 has 32 divisors (see below), whose sum is σ = 1201365822720. Its totient is φ = 851608359936.

The previous prime is 1022112210997. The next prime is 1022112211009. The reversal of 1022112211001 is 1001122112201.

It is a cyclic number.

It is not a de Polignac number, because 1022112211001 - 2² = 1022112210997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022112211009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9678455 + ... + 9783491.

It is an arithmetic number, because the mean of its divisors is an integer number (37542681960).

Almost surely, 2^{1022112211001} is an apocalyptic number.

It is an amenable number.

1022112211001 is a deficient number, since it is larger than the sum of its proper divisors (179253611719).

1022112211001 is a wasteful number, since it uses less digits than its factorization.

1022112211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105393.

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

Adding to 1022112211001 its reverse (1001122112201), we get a palindrome (2023234323202).

The spelling of 1022112211001 in words is "one trillion, twenty-two billion, one hundred twelve million, two hundred eleven thousand, one".