100121213213110 has 16 divisors (see below), whose sum is σ = 180224889062400. Its totient is φ = 40046995223296.

The previous prime is 100121213213059. The next prime is 100121213213113. The reversal of 100121213213110 is 11312312121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121213213113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185975515 + ... + 186513094.

It is an arithmetic number, because the mean of its divisors is an integer number (11264055566400).

Almost surely, 2^{100121213213110} is an apocalyptic number.

100121213213110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100121213213110 is a deficient number, since it is larger than the sum of its proper divisors (80103675849290).

100121213213110 is a wasteful number, since it uses less digits than its factorization.

100121213213110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372515495.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 100121213213110 its reverse (11312312121001), we get a palindrome (111433525334111).

The spelling of 100121213213110 in words is "one hundred trillion, one hundred twenty-one billion, two hundred thirteen million, two hundred thirteen thousand, one hundred ten".