100121020012010 has 16 divisors (see below), whose sum is σ = 181812684130056. Its totient is φ = 39693997314048.

The previous prime is 100121020012003. The next prime is 100121020012049. The reversal of 100121020012010 is 10210020121001.

It can be written as a sum of positive squares in 4 ways, for example, as 30494328375889 + 69626691636121 = 5522167^2 + 8344261^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100121020011982 and 100121020012000.

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, 44301335159 + ... + 44301337418.

Almost surely, 2^{100121020012010} is an apocalyptic number.

100121020012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100121020012010 is a deficient number, since it is larger than the sum of its proper divisors (81691664118046).

100121020012010 is a wasteful number, since it uses less digits than its factorization.

100121020012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88602672697.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100121020012010 its reverse (10210020121001), we get a palindrome (110331040133011).

The spelling of 100121020012010 in words is "one hundred trillion, one hundred twenty-one billion, twenty million, twelve thousand, ten".