102111201002 has 8 divisors (see below), whose sum is σ = 156056741316. Its totient is φ = 50092287232.

The previous prime is 102111201001. The next prime is 102111201047. The reversal of 102111201002 is 200102111201.

It can be written as a sum of positive squares in 2 ways, for example, as 102087279121 + 23921881 = 319511^2 + 4891^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102111201001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481656503 + ... + 481656714.

Almost surely, 2^102111201002 is an apocalyptic number.

102111201002 is a deficient number, since it is larger than the sum of its proper divisors (53945540314).

102111201002 is an equidigital number, since it uses as much as digits as its factorization.

102111201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963313272.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102111201002 its reverse (200102111201), we get a palindrome (302213312203).

The spelling of 102111201002 in words is "one hundred two billion, one hundred eleven million, two hundred one thousand, two".