10021212001111 has 8 divisors (see below), whose sum is σ = 10067050150560. Its totient is φ = 9975398028672.

The previous prime is 10021212001081. The next prime is 10021212001121. The reversal of 10021212001111 is 11110021212001.

It is a happy number.

10021212001111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10021212001111 - 2⁷ = 10021212000983 is a prime.

It is a super-2 number, since 2×10021212001111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021212001091 and 10021212001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021212001121) 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, 5213110 + ... + 6871603.

It is an arithmetic number, because the mean of its divisors is an integer number (1258381268820).

Almost surely, 2^{10021212001111} is an apocalyptic number.

10021212001111 is a deficient number, since it is larger than the sum of its proper divisors (45838149449).

10021212001111 is a wasteful number, since it uses less digits than its factorization.

10021212001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12088505.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10021212001111 its reverse (11110021212001), we get a palindrome (21131233213112).

It can be divided in two parts, 10021212001 and 111, that multiplied together give a palindrome (1112354532111).

The spelling of 10021212001111 in words is "ten trillion, twenty-one billion, two hundred twelve million, one thousand, one hundred eleven".