211012302121 has 8 divisors (see below), whose sum is σ = 213705322880. Its totient is φ = 208319830992.

The previous prime is 211012302097. The next prime is 211012302169. The reversal of 211012302121 is 121203210112.

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 211012302121 - 2²³ = 211003913513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211012302095 and 211012302104.

It is not an unprimeable number, because it can be changed into a prime (211012302181) 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, 665026 + ... + 929668.

It is an arithmetic number, because the mean of its divisors is an integer number (26713165360).

Almost surely, 2^211012302121 is an apocalyptic number.

It is an amenable number.

211012302121 is a deficient number, since it is larger than the sum of its proper divisors (2693020759).

211012302121 is a wasteful number, since it uses less digits than its factorization.

211012302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274815.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 211012302121 its reverse (121203210112), we get a palindrome (332215512233).

The spelling of 211012302121 in words is "two hundred eleven billion, twelve million, three hundred two thousand, one hundred twenty-one".