211216611167112 has 64 divisors (see below), whose sum is σ = 533411248406400. Its totient is φ = 69689944486400.

The previous prime is 211216611167101. The next prime is 211216611167123. The reversal of 211216611167112 is 211761116612112.

It is an interprime number because it is at equal distance from previous prime (211216611167101) and next prime (211216611167123).

It is a super-2 number, since 2×211216611167112² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2434437 + ... + 20696852.

It is an arithmetic number, because the mean of its divisors is an integer number (8334550756350).

Almost surely, 2^{211216611167112} is an apocalyptic number.

It is an amenable number.

211216611167112 is an abundant number, since it is smaller than the sum of its proper divisors (322194637239288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211216611167112 is a wasteful number, since it uses less digits than its factorization.

211216611167112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23135166 (or 23135162 counting only the distinct ones).

The product of its digits is 12096, while the sum is 39.

Adding to 211216611167112 its reverse (211761116612112), we get a palindrome (422977727779224).

The spelling of 211216611167112 in words is "two hundred eleven trillion, two hundred sixteen billion, six hundred eleven million, one hundred sixty-seven thousand, one hundred twelve".