211215441241 has 12 divisors (see below), whose sum is σ = 245839376640. Its totient is φ = 180938809800.

The previous prime is 211215441221. The next prime is 211215441251. The reversal of 211215441241 is 142144512112.

It is not a de Polignac number, because 211215441241 - 2¹³ = 211215433049 is a prime.

It is a super-2 number, since 2×211215441241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211215441221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1139085 + ... + 1311466.

It is an arithmetic number, because the mean of its divisors is an integer number (20486614720).

Almost surely, 2^211215441241 is an apocalyptic number.

It is an amenable number.

211215441241 is a deficient number, since it is larger than the sum of its proper divisors (34623935399).

211215441241 is a wasteful number, since it uses less digits than its factorization.

211215441241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452324 (or 2452317 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

Adding to 211215441241 its reverse (142144512112), we get a palindrome (353359953353).

The spelling of 211215441241 in words is "two hundred eleven billion, two hundred fifteen million, four hundred forty-one thousand, two hundred forty-one".