212000110101 has 48 divisors (see below), whose sum is σ = 338951274480. Its totient is φ = 126880680960.

The previous prime is 212000110039. The next prime is 212000110109. The reversal of 212000110101 is 101011000212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 159481221201 + 52518888900 = 399351^2 + 229170^2 .

It is not a de Polignac number, because 212000110101 - 2¹³ = 212000101909 is a prime.

It is a super-2 number, since 2×212000110101² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000110109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 468315 + ... + 802071.

It is an arithmetic number, because the mean of its divisors is an integer number (7061484885).

Almost surely, 2^212000110101 is an apocalyptic number.

It is an amenable number.

212000110101 is a deficient number, since it is larger than the sum of its proper divisors (126951164379).

212000110101 is a wasteful number, since it uses less digits than its factorization.

212000110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333926 (or 333923 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 212000110101 its reverse (101011000212), we get a palindrome (313011110313).

The spelling of 212000110101 in words is "two hundred twelve billion, one hundred ten thousand, one hundred one".