2012111121010 has 8 divisors (see below), whose sum is σ = 3621800017836. Its totient is φ = 804844448400.

The previous prime is 2012111121001. The next prime is 2012111121011. The reversal of 2012111121010 is 101211112102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1637404311321 + 374706809689 = 1279611^2 + 612133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2012111121011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100605556041 + ... + 100605556060.

Almost surely, 2^{2012111121010} is an apocalyptic number.

2012111121010 is a deficient number, since it is larger than the sum of its proper divisors (1609688896826).

2012111121010 is a wasteful number, since it uses less digits than its factorization.

2012111121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201211112108.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2012111121010 its reverse (101211112102), we get a palindrome (2113322233112).

The spelling of 2012111121010 in words is "two trillion, twelve billion, one hundred eleven million, one hundred twenty-one thousand, ten".