100121100000010 has 32 divisors (see below), whose sum is σ = 181243609007040. Its totient is φ = 39820568924928.

The previous prime is 100121099999957. The next prime is 100121100000029. The reversal of 100121100000010 is 10000001121001.

It is a junction number, because it is equal to n+sod(n) for n = 100121099999939 and 100121100000002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14360754 + ... + 20161186.

It is an arithmetic number, because the mean of its divisors is an integer number (5663862781470).

Almost surely, 2^{100121100000010} is an apocalyptic number.

100121100000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100121100000010 is a deficient number, since it is larger than the sum of its proper divisors (81122509007030).

100121100000010 is a wasteful number, since it uses less digits than its factorization.

100121100000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5810262.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 100121100000010 its reverse (10000001121001), we get a palindrome (110121101121011).

The spelling of 100121100000010 in words is "one hundred trillion, one hundred twenty-one billion, one hundred million, ten", and thus it is an aban number.