102120111121201 has 8 divisors (see below), whose sum is σ = 103704098287104. Its totient is φ = 100537882967280.

The previous prime is 102120111121157. The next prime is 102120111121243. The reversal of 102120111121201 is 102121111021201.

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 102120111121201 - 2⁹ = 102120111120689 is a prime.

It is a super-2 number, since 2×102120111121201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102120111122201) 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, 439635985 + ... + 439868206.

It is an arithmetic number, because the mean of its divisors is an integer number (12963012285888).

Almost surely, 2^{102120111121201} is an apocalyptic number.

It is an amenable number.

102120111121201 is a deficient number, since it is larger than the sum of its proper divisors (1583987165903).

102120111121201 is an equidigital number, since it uses as much as digits as its factorization.

102120111121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879505991.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 102120111121201 its reverse (102121111021201), we get a palindrome (204241222142402).

The spelling of 102120111121201 in words is "one hundred two trillion, one hundred twenty billion, one hundred eleven million, one hundred twenty-one thousand, two hundred one".