212122010010101 has 8 divisors (see below), whose sum is σ = 212190438310464. Its totient is φ = 212053588951680.

The previous prime is 212122010010091. The next prime is 212122010010103. The reversal of 212122010010101 is 101010010221212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212122010010101 is a prime.

It is a super-2 number, since 2×212122010010101² (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 (212122010010103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57089216 + ... + 60691206.

It is an arithmetic number, because the mean of its divisors is an integer number (26523804788808).

Almost surely, 2^{212122010010101} is an apocalyptic number.

It is an amenable number.

212122010010101 is a deficient number, since it is larger than the sum of its proper divisors (68428300363).

212122010010101 is a wasteful number, since it uses less digits than its factorization.

212122010010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620971.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212122010010101 its reverse (101010010221212), we get a palindrome (313132020231313).

The spelling of 212122010010101 in words is "two hundred twelve trillion, one hundred twenty-two billion, ten million, ten thousand, one hundred one".