212253550351111 has 32 divisors (see below), whose sum is σ = 222864377329152. Its totient is φ = 201761686748160.

The previous prime is 212253550351109. The next prime is 212253550351189. The reversal of 212253550351111 is 111153055352212.

It is not a de Polignac number, because 212253550351111 - 2¹ = 212253550351109 is a prime.

It is a super-2 number, since 2×212253550351111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212253550352111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6071134671 + ... + 6071169631.

It is an arithmetic number, because the mean of its divisors is an integer number (6964511791536).

Almost surely, 2^{212253550351111} is an apocalyptic number.

212253550351111 is a deficient number, since it is larger than the sum of its proper divisors (10610826978041).

212253550351111 is a wasteful number, since it uses less digits than its factorization.

212253550351111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37383.

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 212253550351111 in words is "two hundred twelve trillion, two hundred fifty-three billion, five hundred fifty million, three hundred fifty-one thousand, one hundred eleven".