2002111121010 has 256 divisors, whose sum is σ = 6659675947008. Its totient is φ = 371633356800.

The previous prime is 2002111120973. The next prime is 2002111121069. The reversal of 2002111121010 is 101211112002.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 144399 + ... + 2006258.

It is an arithmetic number, because the mean of its divisors is an integer number (26014359168).

Almost surely, 2^{2002111121010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002111121010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3329837973504).

2002111121010 is an abundant number, since it is smaller than the sum of its proper divisors (4657564825998).

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

2002111121010 is a wasteful number, since it uses less digits than its factorization.

2002111121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150729.

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

Adding to 2002111121010 its reverse (101211112002), we get a palindrome (2103322233012).

The spelling of 2002111121010 in words is "two trillion, two billion, one hundred eleven million, one hundred twenty-one thousand, ten".