1001210211011 has 12 divisors (see below), whose sum is σ = 1034621189856. Its totient is φ = 968845646160.

The previous prime is 1001210210969. The next prime is 1001210211017. The reversal of 1001210211011 is 1101120121001.

It is a de Polignac number, because none of the positive numbers 2^k-1001210211011 is a prime.

It is a super-2 number, since 2×1001210211011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001210210983 and 1001210211001.

It is not an unprimeable number, because it can be changed into a prime (1001210211017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18931241 + ... + 18984053.

It is an arithmetic number, because the mean of its divisors is an integer number (86218432488).

Almost surely, 2^{1001210211011} is an apocalyptic number.

1001210211011 is a deficient number, since it is larger than the sum of its proper divisors (33410978845).

1001210211011 is an equidigital number, since it uses as much as digits as its factorization.

1001210211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72602 (or 72571 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1001210211011 its reverse (1101120121001), we get a palindrome (2102330332012).

It can be divided in two parts, 1001 and 210211011, that added together give a palindrome (210212012).

The spelling of 1001210211011 in words is "one trillion, one billion, two hundred ten million, two hundred eleven thousand, eleven".