1022011112001 has 32 divisors (see below), whose sum is σ = 1520283985920. Its totient is φ = 605504952000.

The previous prime is 1022011111999. The next prime is 1022011112009. The reversal of 1022011112001 is 1002111102201.

It is not a de Polignac number, because 1022011112001 - 2¹ = 1022011111999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022011112009) 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, 1677415 + ... + 2204028.

It is an arithmetic number, because the mean of its divisors is an integer number (47508874560).

Almost surely, 2^{1022011112001} is an apocalyptic number.

1022011112001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022011112001 is a deficient number, since it is larger than the sum of its proper divisors (498272873919).

1022011112001 is a wasteful number, since it uses less digits than its factorization.

1022011112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881637.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1022011112001 its reverse (1002111102201), we get a palindrome (2024122214202).

The spelling of 1022011112001 in words is "one trillion, twenty-two billion, eleven million, one hundred twelve thousand, one".