121011030210 has 192 divisors, whose sum is σ = 351126088704. Its totient is φ = 26142480000.

The previous prime is 121011030209. The next prime is 121011030221. The reversal of 121011030210 is 12030110121.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37221085 + ... + 37224335.

It is an arithmetic number, because the mean of its divisors is an integer number (1828781712).

Almost surely, 2^121011030210 is an apocalyptic number.

121011030210 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 121011030210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175563044352).

121011030210 is an abundant number, since it is smaller than the sum of its proper divisors (230115058494).

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

121011030210 is a wasteful number, since it uses less digits than its factorization.

121011030210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797 (or 3778 counting only the distinct ones).

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

Adding to 121011030210 its reverse (12030110121), we get a palindrome (133041140331).

The spelling of 121011030210 in words is "one hundred twenty-one billion, eleven million, thirty thousand, two hundred ten".