211001011012 has 24 divisors (see below), whose sum is σ = 404844350400. Its totient is φ = 95427588960.

The previous prime is 211001010971. The next prime is 211001011031. The reversal of 211001011012 is 210110100112.

It is a super-2 number, since 2×211001011012² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211001011012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12040183 + ... + 12057694.

It is an arithmetic number, because the mean of its divisors is an integer number (16868514600).

Almost surely, 2^211001011012 is an apocalyptic number.

211001011012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211001011012 is a deficient number, since it is larger than the sum of its proper divisors (193843339388).

211001011012 is a wasteful number, since it uses less digits than its factorization.

211001011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24098091 (or 24098089 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 211001011012 its reverse (210110100112), we get a palindrome (421111111124).

The spelling of 211001011012 in words is "two hundred eleven billion, one million, eleven thousand, twelve".