212011010100122 has 8 divisors (see below), whose sum is σ = 318017764305972. Its totient is φ = 106005088664800.

The previous prime is 212011010100121. The next prime is 212011010100137. The reversal of 212011010100122 is 221001010110212.

It can be written as a sum of positive squares in 2 ways, for example, as 208583813189761 + 3427196910361 = 14442431^2 + 1851269^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 212011010100097 and 212011010100106.

It is not an unprimeable number, because it can be changed into a prime (212011010100121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207555779 + ... + 208574742.

Almost surely, 2^{212011010100122} is an apocalyptic number.

212011010100122 is a deficient number, since it is larger than the sum of its proper divisors (106006754205850).

212011010100122 is a wasteful number, since it uses less digits than its factorization.

212011010100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416385264.

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

Adding to 212011010100122 its reverse (221001010110212), we get a palindrome (433012020210334).

The spelling of 212011010100122 in words is "two hundred twelve trillion, eleven billion, ten million, one hundred thousand, one hundred twenty-two".