100021212221010 has 16 divisors (see below), whose sum is σ = 240050909330496. Its totient is φ = 26672323258928.

The previous prime is 100021212220997. The next prime is 100021212221089. The reversal of 100021212221010 is 10122212120001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1667020203654 + ... + 1667020203713.

It is an arithmetic number, because the mean of its divisors is an integer number (15003181833156).

Almost surely, 2^{100021212221010} is an apocalyptic number.

100021212221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100021212221010 is an abundant number, since it is smaller than the sum of its proper divisors (140029697109486).

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

100021212221010 is a wasteful number, since it uses less digits than its factorization.

100021212221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334040407377.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100021212221010 its reverse (10122212120001), we get a palindrome (110143424341011).

The spelling of 100021212221010 in words is "one hundred trillion, twenty-one billion, two hundred twelve million, two hundred twenty-one thousand, ten".