100121020021210 has 64 divisors (see below), whose sum is σ = 182250264119040. Its totient is φ = 39597986695680.

The previous prime is 100121020021189. The next prime is 100121020021229. The reversal of 100121020021210 is 12120020121001.

It is a super-3 number, since 3×100121020021210³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5708470621 + ... + 5708488159.

It is an arithmetic number, because the mean of its divisors is an integer number (2847660376860).

Almost surely, 2^{100121020021210} is an apocalyptic number.

100121020021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100121020021210 is a deficient number, since it is larger than the sum of its proper divisors (82129244097830).

100121020021210 is a wasteful number, since it uses less digits than its factorization.

100121020021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25943.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100121020021210 its reverse (12120020121001), we get a palindrome (112241040142211).

The spelling of 100121020021210 in words is "one hundred trillion, one hundred twenty-one billion, twenty million, twenty-one thousand, two hundred ten".