100021020022012 has 24 divisors (see below), whose sum is σ = 175227674454000. Its totient is φ = 49955997576576.

The previous prime is 100021020021997. The next prime is 100021020022051. The reversal of 100021020022012 is 210220020120001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100021020021983 and 100021020022001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11188039 + ... + 18033697.

It is an arithmetic number, because the mean of its divisors is an integer number (7301153102250).

Almost surely, 2^{100021020022012} is an apocalyptic number.

It is an amenable number.

100021020022012 is a deficient number, since it is larger than the sum of its proper divisors (75206654431988).

100021020022012 is a wasteful number, since it uses less digits than its factorization.

100021020022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6849645 (or 6849643 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100021020022012 its reverse (210220020120001), we get a palindrome (310241040142013).

The spelling of 100021020022012 in words is "one hundred trillion, twenty-one billion, twenty million, twenty-two thousand, twelve".