121101013 has 32 divisors (see below), whose sum is σ = 146655360. Its totient is φ = 98703360.

The previous prime is 121101011. The next prime is 121101023. The reversal of 121101013 is 310101121.

It is not a de Polignac number, because 121101013 - 2¹ = 121101011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 742870 + ... + 743032.

It is an arithmetic number, because the mean of its divisors is an integer number (4582980).

Almost surely, 2^121101013 is an apocalyptic number.

It is an amenable number.

121101013 is a deficient number, since it is larger than the sum of its proper divisors (25554347).

121101013 is a wasteful number, since it uses less digits than its factorization.

121101013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 121101013 is about 11004.5905421329. The cubic root of 121101013 is about 494.7463421665.

Adding to 121101013 its reverse (310101121), we get a palindrome (431202134).

The spelling of 121101013 in words is "one hundred twenty-one million, one hundred one thousand, thirteen".