211020011212001 has 8 divisors (see below), whose sum is σ = 229291692998400. Its totient is φ = 193464865966320.

The previous prime is 211020011211959. The next prime is 211020011212007. The reversal of 211020011212001 is 100212110020112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211020011212001 - 2¹⁰ = 211020011210977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211020011212007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179134134566 + ... + 179134135743.

It is an arithmetic number, because the mean of its divisors is an integer number (28661461624800).

Almost surely, 2^{211020011212001} is an apocalyptic number.

It is an amenable number.

211020011212001 is a deficient number, since it is larger than the sum of its proper divisors (18271681786399).

211020011212001 is a wasteful number, since it uses less digits than its factorization.

211020011212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358268270359.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211020011212001 its reverse (100212110020112), we get a palindrome (311232121232113).

The spelling of 211020011212001 in words is "two hundred eleven trillion, twenty billion, eleven million, two hundred twelve thousand, one".