211332512215 has 32 divisors (see below), whose sum is σ = 279396117504. Its totient is φ = 152179875840.

The previous prime is 211332512207. The next prime is 211332512243. The reversal of 211332512215 is 512215233112.

It is not a de Polignac number, because 211332512215 - 2³ = 211332512207 is a prime.

It is a super-2 number, since 2×211332512215² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 2315782 + ... + 2405308.

It is an arithmetic number, because the mean of its divisors is an integer number (8731128672).

Almost surely, 2^211332512215 is an apocalyptic number.

211332512215 is a deficient number, since it is larger than the sum of its proper divisors (68063605289).

211332512215 is a wasteful number, since it uses less digits than its factorization.

211332512215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89967.

The product of its digits is 3600, while the sum is 28.

Adding to 211332512215 its reverse (512215233112), we get a palindrome (723547745327).

The spelling of 211332512215 in words is "two hundred eleven billion, three hundred thirty-two million, five hundred twelve thousand, two hundred fifteen".