102111021201 has 8 divisors (see below), whose sum is σ = 155597746624. Its totient is φ = 58349154960.

The previous prime is 102111021137. The next prime is 102111021209. The reversal of 102111021201 is 102120111201.

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

It is not a de Polignac number, because 102111021201 - 2⁶ = 102111021137 is a prime.

It is a super-2 number, since 2×102111021201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102111021209) 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, 2431214770 + ... + 2431214811.

It is an arithmetic number, because the mean of its divisors is an integer number (19449718328).

Almost surely, 2^102111021201 is an apocalyptic number.

It is an amenable number.

102111021201 is a deficient number, since it is larger than the sum of its proper divisors (53486725423).

102111021201 is an equidigital number, since it uses as much as digits as its factorization.

102111021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862429591.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102111021201 its reverse (102120111201), we get a palindrome (204231132402).

The spelling of 102111021201 in words is "one hundred two billion, one hundred eleven million, twenty-one thousand, two hundred one".