211016612123 has 8 divisors (see below), whose sum is σ = 218374118160. Its totient is φ = 203746177440.

The previous prime is 211016612099. The next prime is 211016612141. The reversal of 211016612123 is 321216610112.

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 211016612123 - 2¹² = 211016608027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211016612092 and 211016612101.

It is not an unprimeable number, because it can be changed into a prime (211016612423) 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, 21762908 + ... + 21772601.

It is an arithmetic number, because the mean of its divisors is an integer number (27296764770).

Almost surely, 2^211016612123 is an apocalyptic number.

211016612123 is a deficient number, since it is larger than the sum of its proper divisors (7357506037).

211016612123 is a wasteful number, since it uses less digits than its factorization.

211016612123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43535677.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 211016612123 in words is "two hundred eleven billion, sixteen million, six hundred twelve thousand, one hundred twenty-three".