20121121100210 has 32 divisors (see below), whose sum is σ = 39005378919360. Its totient is φ = 7429078058688.

The previous prime is 20121121100207. The next prime is 20121121100221. The reversal of 20121121100210 is 1200112112102.

20121121100210 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1066481 + ... + 6432699.

It is an arithmetic number, because the mean of its divisors is an integer number (1218918091230).

Almost surely, 2^{20121121100210} is an apocalyptic number.

20121121100210 is a deficient number, since it is larger than the sum of its proper divisors (18884257819150).

20121121100210 is a wasteful number, since it uses less digits than its factorization.

20121121100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395082.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20121121100210 its reverse (1200112112102), we get a palindrome (21321233212312).

The spelling of 20121121100210 in words is "twenty trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred thousand, two hundred ten".