10021212110122 has 4 divisors (see below), whose sum is σ = 15031818165186. Its totient is φ = 5010606055060.

The previous prime is 10021212110059. The next prime is 10021212110123. The reversal of 10021212110122 is 22101121212001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7064597200761 + 2956614909361 = 2657931^2 + 1719481^2 .

It is a super-4 number, since 4×10021212110122⁴ (a number of 53 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021212110096 and 10021212110105.

It is not an unprimeable number, because it can be changed into a prime (10021212110123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505303027529 + ... + 2505303027532.

Almost surely, 2^{10021212110122} is an apocalyptic number.

10021212110122 is a deficient number, since it is larger than the sum of its proper divisors (5010606055064).

10021212110122 is an equidigital number, since it uses as much as digits as its factorization.

10021212110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010606055063.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10021212110122 its reverse (22101121212001), we get a palindrome (32122333322123).

The spelling of 10021212110122 in words is "ten trillion, twenty-one billion, two hundred twelve million, one hundred ten thousand, one hundred twenty-two".