201101121210 has 128 divisors (see below), whose sum is σ = 536903976960. Its totient is φ = 47799648000.

The previous prime is 201101121187. The next prime is 201101121239. The reversal of 201101121210 is 12121101102.

It is a super-2 number, since 2×201101121210² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3403701 + ... + 3462279.

It is an arithmetic number, because the mean of its divisors is an integer number (4194562320).

Almost surely, 2^201101121210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201101121210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268451988480).

201101121210 is an abundant number, since it is smaller than the sum of its proper divisors (335802855750).

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

201101121210 is a wasteful number, since it uses less digits than its factorization.

201101121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58804.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201101121210 its reverse (12121101102), we get a palindrome (213222222312).

The spelling of 201101121210 in words is "two hundred one billion, one hundred one million, one hundred twenty-one thousand, two hundred ten".