102120201221213 has 8 divisors (see below), whose sum is σ = 116711258751360. Its totient is φ = 87529758030000.

The previous prime is 102120201221123. The next prime is 102120201221237. The reversal of 102120201221213 is 312122102021201.

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

It is a cyclic number.

It is not a de Polignac number, because 102120201221213 - 2²² = 102120197026909 is a prime.

It is a super-2 number, since 2×102120201221213² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120201221413) 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, 153228473 + ... + 153893486.

It is an arithmetic number, because the mean of its divisors is an integer number (14588907343920).

Almost surely, 2^{102120201221213} is an apocalyptic number.

It is an amenable number.

102120201221213 is a deficient number, since it is larger than the sum of its proper divisors (14591057530147).

102120201221213 is an equidigital number, since it uses as much as digits as its factorization.

102120201221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307169467.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 102120201221213 its reverse (312122102021201), we get a palindrome (414242303242414).

The spelling of 102120201221213 in words is "one hundred two trillion, one hundred twenty billion, two hundred one million, two hundred twenty-one thousand, two hundred thirteen".