121001310210 has 64 divisors (see below), whose sum is σ = 335438941824. Its totient is φ = 27608140800.

The previous prime is 121001310203. The next prime is 121001310223. The reversal of 121001310210 is 12013100121.

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, 10778821 + ... + 10790040.

It is an arithmetic number, because the mean of its divisors is an integer number (5241233466).

Almost surely, 2^121001310210 is an apocalyptic number.

121001310210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121001310210 is an abundant number, since it is smaller than the sum of its proper divisors (214437631614).

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

121001310210 is a wasteful number, since it uses less digits than its factorization.

121001310210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21568899.

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

Adding to 121001310210 its reverse (12013100121), we get a palindrome (133014410331).

The spelling of 121001310210 in words is "one hundred twenty-one billion, one million, three hundred ten thousand, two hundred ten".