211203414123 has 16 divisors (see below), whose sum is σ = 304361281056. Its totient is φ = 129502114560.

The previous prime is 211203414073. The next prime is 211203414167. The reversal of 211203414123 is 321414302112.

It is not a de Polignac number, because 211203414123 - 2¹⁸ = 211203151979 is a prime.

It is a super-2 number, since 2×211203414123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211203414093 and 211203414102.

It is not an unprimeable number, because it can be changed into a prime (211203414223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9764418 + ... + 9786023.

It is an arithmetic number, because the mean of its divisors is an integer number (19022580066).

Almost surely, 2^211203414123 is an apocalyptic number.

211203414123 is a deficient number, since it is larger than the sum of its proper divisors (93157866933).

211203414123 is a wasteful number, since it uses less digits than its factorization.

211203414123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19550734.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 211203414123 its reverse (321414302112), we get a palindrome (532617716235).

The spelling of 211203414123 in words is "two hundred eleven billion, two hundred three million, four hundred fourteen thousand, one hundred twenty-three".