211012101211121 has 8 divisors (see below), whose sum is σ = 243498014158464. Its totient is φ = 179111520028800.

The previous prime is 211012101211111. The next prime is 211012101211147. The reversal of 211012101211121 is 121112101210112.

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 211012101211121 - 2¹⁴ = 211012101194737 is a prime.

It is a super-2 number, since 2×211012101211121² (a number of 29 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 211012101211121.

It is not an unprimeable number, because it can be changed into a prime (211012101211111) 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, 146332940480 + ... + 146332941921.

It is an arithmetic number, because the mean of its divisors is an integer number (30437251769808).

Almost surely, 2^{211012101211121} is an apocalyptic number.

It is an amenable number.

211012101211121 is a deficient number, since it is larger than the sum of its proper divisors (32485912947343).

211012101211121 is a wasteful number, since it uses less digits than its factorization.

211012101211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292665882511.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 211012101211121 its reverse (121112101210112), we get a palindrome (332124202421233).

The spelling of 211012101211121 in words is "two hundred eleven trillion, twelve billion, one hundred one million, two hundred eleven thousand, one hundred twenty-one".