121010210221013 has 8 divisors (see below), whose sum is σ = 121487916039000. Its totient is φ = 120532557496320.

The previous prime is 121010210220983. The next prime is 121010210221049. The reversal of 121010210221013 is 310122012010121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1139090867524 + 119871119353489 = 1067282^2 + 10948567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121010210221013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121010210220982 and 121010210221000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010210226013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8702828 + ... + 17825813.

It is an arithmetic number, because the mean of its divisors is an integer number (15185989504875).

Almost surely, 2^{121010210221013} is an apocalyptic number.

It is an amenable number.

121010210221013 is a deficient number, since it is larger than the sum of its proper divisors (477705817987).

121010210221013 is a wasteful number, since it uses less digits than its factorization.

121010210221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26546647.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121010210221013 its reverse (310122012010121), we get a palindrome (431132222231134).

The spelling of 121010210221013 in words is "one hundred twenty-one trillion, ten billion, two hundred ten million, two hundred twenty-one thousand, thirteen".