100121011211010 has 16 divisors (see below), whose sum is σ = 240290426906496. Its totient is φ = 26698936322928.

The previous prime is 100121011210999. The next prime is 100121011211063. The reversal of 100121011211010 is 10112110121001.

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, 1668683520154 + ... + 1668683520213.

It is an arithmetic number, because the mean of its divisors is an integer number (15018151681656).

Almost surely, 2^{100121011211010} is an apocalyptic number.

100121011211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100121011211010 is an abundant number, since it is smaller than the sum of its proper divisors (140169415695486).

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

100121011211010 is a wasteful number, since it uses less digits than its factorization.

100121011211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337367040377.

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

Adding to 100121011211010 its reverse (10112110121001), we get a palindrome (110233121332011).

The spelling of 100121011211010 in words is "one hundred trillion, one hundred twenty-one billion, eleven million, two hundred eleven thousand, ten".