100000120101210 has 96 divisors (see below), whose sum is σ = 307389531795840. Its totient is φ = 22068992018304.

The previous prime is 100000120101163. The next prime is 100000120101221. The reversal of 100000120101210 is 12101021000001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100000120101192 and 100000120101201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2736711892 + ... + 2736748431.

It is an arithmetic number, because the mean of its divisors is an integer number (3201974289540).

Almost surely, 2^{100000120101210} is an apocalyptic number.

100000120101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100000120101210 is an abundant number, since it is smaller than the sum of its proper divisors (207389411694630).

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

100000120101210 is a wasteful number, since it uses less digits than its factorization.

100000120101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473460372 (or 5473460369 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100000120101210 its reverse (12101021000001), we get a palindrome (112101141101211).

The spelling of 100000120101210 in words is "one hundred trillion, one hundred twenty million, one hundred one thousand, two hundred ten".