121102122213 has 48 divisors (see below), whose sum is σ = 179567312496. Its totient is φ = 78624691200.

The previous prime is 121102122107. The next prime is 121102122217. The reversal of 121102122213 is 312221201121.

It can be written as a sum of positive squares in 8 ways, for example, as 2963495844 + 118138626369 = 54438^2 + 343713^2 .

It is not a de Polignac number, because 121102122213 - 2²¹ = 121100025061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102122217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26341431 + ... + 26346027.

It is an arithmetic number, because the mean of its divisors is an integer number (3740985677).

Almost surely, 2^121102122213 is an apocalyptic number.

It is an amenable number.

121102122213 is a deficient number, since it is larger than the sum of its proper divisors (58465190283).

121102122213 is a wasteful number, since it uses less digits than its factorization.

121102122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174 (or 5171 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121102122213 its reverse (312221201121), we get a palindrome (433323323334).

The spelling of 121102122213 in words is "one hundred twenty-one billion, one hundred two million, one hundred twenty-two thousand, two hundred thirteen".