20001101210 has 16 divisors (see below), whose sum is σ = 36008874216. Its totient is φ = 7998908928.

The previous prime is 20001101207. The next prime is 20001101249. The reversal of 20001101210 is 1210110002.

20001101210 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12101980081 + 7899121129 = 110009^2 + 88877^2 .

It is a super-2 number, since 2×20001101210² (a number of 21 digits) contains 22 as substring.

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, 135827 + ... + 241766.

Almost surely, 2^20001101210 is an apocalyptic number.

20001101210 is a deficient number, since it is larger than the sum of its proper divisors (16007773006).

20001101210 is a wasteful number, since it uses less digits than its factorization.

20001101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382897.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20001101210 its reverse (1210110002), we get a palindrome (21211211212).

The spelling of 20001101210 in words is "twenty billion, one million, one hundred one thousand, two hundred ten".