100121211110010 has 16 divisors (see below), whose sum is σ = 240290906664096. Its totient is φ = 26698989629328.

The previous prime is 100121211109981. The next prime is 100121211110023. The reversal of 100121211110010 is 10011112121001.

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, 1668686851804 + ... + 1668686851863.

It is an arithmetic number, because the mean of its divisors is an integer number (15018181666506).

Almost surely, 2^{100121211110010} is an apocalyptic number.

100121211110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100121211110010 is an abundant number, since it is smaller than the sum of its proper divisors (140169695554086).

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

100121211110010 is a wasteful number, since it uses less digits than its factorization.

100121211110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337373703677.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 100121211110010 its reverse (10011112121001), we get a palindrome (110132323231011).

The spelling of 100121211110010 in words is "one hundred trillion, one hundred twenty-one billion, two hundred eleven million, one hundred ten thousand, ten".