100021111020102 has 32 divisors (see below), whose sum is σ = 212655619077120. Its totient is φ = 31272885151200.

The previous prime is 100021111020101. The next prime is 100021111020151. The reversal of 100021111020102 is 201020111120001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021111020101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4343444758 + ... + 4343467785.

It is an arithmetic number, because the mean of its divisors is an integer number (6645488096160).

Almost surely, 2^{100021111020102} is an apocalyptic number.

100021111020102 is an abundant number, since it is smaller than the sum of its proper divisors (112634508057018).

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

100021111020102 is a wasteful number, since it uses less digits than its factorization.

100021111020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8686912668.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100021111020102 its reverse (201020111120001), we get a palindrome (301041222140103).

The spelling of 100021111020102 in words is "one hundred trillion, twenty-one billion, one hundred eleven million, twenty thousand, one hundred two".