211711212112162 has 64 divisors (see below), whose sum is σ = 378994678824960. Its totient is φ = 86791249742400.

The previous prime is 211711212112157. The next prime is 211711212112181. The reversal of 211711212112162 is 261211212117112.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7687237 + ... + 21966247.

It is an arithmetic number, because the mean of its divisors is an integer number (5921791856640).

Almost surely, 2^{211711212112162} is an apocalyptic number.

211711212112162 is a deficient number, since it is larger than the sum of its proper divisors (167283466712798).

211711212112162 is a wasteful number, since it uses less digits than its factorization.

211711212112162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14279447.

The product of its digits is 1344, while the sum is 31.

Adding to 211711212112162 its reverse (261211212117112), we get a palindrome (472922424229274).

The spelling of 211711212112162 in words is "two hundred eleven trillion, seven hundred eleven billion, two hundred twelve million, one hundred twelve thousand, one hundred sixty-two".