211054211342121 has 32 divisors (see below), whose sum is σ = 322755394406400. Its totient is φ = 120171551955840.

The previous prime is 211054211342101. The next prime is 211054211342179. The reversal of 211054211342121 is 121243112450112.

It is not a de Polignac number, because 211054211342121 - 2¹⁵ = 211054211309353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211054211342101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517544020 + ... + 517951658.

It is an arithmetic number, because the mean of its divisors is an integer number (10086106075200).

Almost surely, 2^{211054211342121} is an apocalyptic number.

211054211342121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211054211342121 is a deficient number, since it is larger than the sum of its proper divisors (111701183064279).

211054211342121 is a wasteful number, since it uses less digits than its factorization.

211054211342121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495669.

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 211054211342121 its reverse (121243112450112), we get a palindrome (332297323792233).

The spelling of 211054211342121 in words is "two hundred eleven trillion, fifty-four billion, two hundred eleven million, three hundred forty-two thousand, one hundred twenty-one".