10021112121102 has 8 divisors (see below), whose sum is σ = 20042224242216. Its totient is φ = 3340370707032.

The previous prime is 10021112121073. The next prime is 10021112121109. The reversal of 10021112121102 is 20112121112001.

It is a happy number.

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

10021112121102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021112121109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835092676753 + ... + 835092676764.

It is an arithmetic number, because the mean of its divisors is an integer number (2505278030277).

Almost surely, 2^{10021112121102} is an apocalyptic number.

10021112121102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10021112121102 is a wasteful number, since it uses less digits than its factorization.

10021112121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670185353522.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10021112121102 its reverse (20112121112001), we get a palindrome (30133233233103).

It can be divided in two parts, 1002111 and 2121102, that added together give a palindrome (3123213).

The spelling of 10021112121102 in words is "ten trillion, twenty-one billion, one hundred twelve million, one hundred twenty-one thousand, one hundred two".