10021211110012 has 12 divisors (see below), whose sum is σ = 17537850536976. Its totient is φ = 5010396670880.

The previous prime is 10021211109991. The next prime is 10021211110019. The reversal of 10021211110012 is 21001111212001.

It is a happy number.

It is a super-2 number, since 2×10021211110012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021211109974 and 10021211110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021211110019) 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, 52113064 + ... + 52305007.

It is an arithmetic number, because the mean of its divisors is an integer number (1461487544748).

Almost surely, 2^{10021211110012} is an apocalyptic number.

It is an amenable number.

10021211110012 is a deficient number, since it is larger than the sum of its proper divisors (7516639426964).

10021211110012 is a wasteful number, since it uses less digits than its factorization.

10021211110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104442068 (or 104442066 counting only the distinct ones).

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

Adding to 10021211110012 its reverse (21001111212001), we get a palindrome (31022322322013).

The spelling of 10021211110012 in words is "ten trillion, twenty-one billion, two hundred eleven million, one hundred ten thousand, twelve".