121101120020010 has 32 divisors (see below), whose sum is σ = 312999817898880. Its totient is φ = 29809506466368.

The previous prime is 121101120019951. The next prime is 121101120020029. The reversal of 121101120020010 is 10020021101121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155257845790 + ... + 155257846569.

It is an arithmetic number, because the mean of its divisors is an integer number (9781244309340).

Almost surely, 2^{121101120020010} is an apocalyptic number.

121101120020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121101120020010 is an abundant number, since it is smaller than the sum of its proper divisors (191898697878870).

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

121101120020010 is a wasteful number, since it uses less digits than its factorization.

121101120020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310515692382.

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

Adding to 121101120020010 its reverse (10020021101121), we get a palindrome (131121141121131).

The spelling of 121101120020010 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred twenty million, twenty thousand, ten".