1002212101011 has 64 divisors (see below), whose sum is σ = 1477725290496. Its totient is φ = 599154019200.

The previous prime is 1002212100991. The next prime is 1002212101039. The reversal of 1002212101011 is 1101012122001.

It is a de Polignac number, because none of the positive numbers 2^k-1002212101011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002212101081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 921997710 + ... + 921998796.

It is an arithmetic number, because the mean of its divisors is an integer number (23089457664).

Almost surely, 2^{1002212101011} is an apocalyptic number.

1002212101011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1002212101011 is a deficient number, since it is larger than the sum of its proper divisors (475513189485).

1002212101011 is a wasteful number, since it uses less digits than its factorization.

1002212101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392.

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

Adding to 1002212101011 its reverse (1101012122001), we get a palindrome (2103224223012).

The spelling of 1002212101011 in words is "one trillion, two billion, two hundred twelve million, one hundred one thousand, eleven".