1012211003211 has 32 divisors (see below), whose sum is σ = 1379896320000. Its totient is φ = 659837363328.

The previous prime is 1012211003203. The next prime is 1012211003231. The reversal of 1012211003211 is 1123001122101.

It is not a de Polignac number, because 1012211003211 - 2³ = 1012211003203 is a prime.

It is a super-2 number, since 2×1012211003211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012211003231) 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, 61965201 + ... + 61981533.

It is an arithmetic number, because the mean of its divisors is an integer number (43121760000).

Almost surely, 2^{1012211003211} is an apocalyptic number.

1012211003211 is a deficient number, since it is larger than the sum of its proper divisors (367685316789).

1012211003211 is a wasteful number, since it uses less digits than its factorization.

1012211003211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18923.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1012211003211 its reverse (1123001122101), we get a palindrome (2135212125312).

The spelling of 1012211003211 in words is "one trillion, twelve billion, two hundred eleven million, three thousand, two hundred eleven".