2011011231210 has 16 divisors (see below), whose sum is σ = 4826426954976. Its totient is φ = 536269661648.

The previous prime is 2011011231199. The next prime is 2011011231217. The reversal of 2011011231210 is 121321101102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2011011231210.

It is not an unprimeable number, because it can be changed into a prime (2011011231217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33516853824 + ... + 33516853883.

It is an arithmetic number, because the mean of its divisors is an integer number (301651684686).

Almost surely, 2^{2011011231210} is an apocalyptic number.

2011011231210 is an abundant number, since it is smaller than the sum of its proper divisors (2815415723766).

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

2011011231210 is a wasteful number, since it uses less digits than its factorization.

2011011231210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67033707717.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2011011231210 its reverse (121321101102), we get a palindrome (2132332332312).

The spelling of 2011011231210 in words is "two trillion, eleven billion, eleven million, two hundred thirty-one thousand, two hundred ten".