121040002110 has 64 divisors (see below), whose sum is σ = 298792505088. Its totient is φ = 31363282944.

The previous prime is 121040002103. The next prime is 121040002121. The reversal of 121040002110 is 11200040121.

It is a happy number.

It is a super-2 number, since 2×121040002110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5889 + ... + 492051.

It is an arithmetic number, because the mean of its divisors is an integer number (4668632892).

Almost surely, 2^121040002110 is an apocalyptic number.

121040002110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121040002110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149396252544).

121040002110 is an abundant number, since it is smaller than the sum of its proper divisors (177752502978).

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

121040002110 is a wasteful number, since it uses less digits than its factorization.

121040002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486409.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121040002110 its reverse (11200040121), we get a palindrome (132240042231).

The spelling of 121040002110 in words is "one hundred twenty-one billion, forty million, two thousand, one hundred ten".