3111121000002 has 32 divisors (see below), whose sum is σ = 6225464044800. Its totient is φ = 1036503458048.

The previous prime is 3111120999991. The next prime is 3111121000003. The reversal of 3111121000002 is 2000001211113.

It is not an unprimeable number, because it can be changed into a prime (3111121000003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142446199 + ... + 142468037.

It is an arithmetic number, because the mean of its divisors is an integer number (194545751400).

Almost surely, 2^{3111121000002} is an apocalyptic number.

3111121000002 is an abundant number, since it is smaller than the sum of its proper divisors (3114343044798).

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

3111121000002 is a wasteful number, since it uses less digits than its factorization.

3111121000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33050.

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

Adding to 3111121000002 its reverse (2000001211113), we get a palindrome (5111122211115).

The spelling of 3111121000002 in words is "three trillion, one hundred eleven billion, one hundred twenty-one million, two", and thus it is an aban number.