102101122210 has 16 divisors (see below), whose sum is σ = 183787020216. Its totient is φ = 40839337728.

The previous prime is 102101122199. The next prime is 102101122231. The reversal of 102101122210 is 12221101201.

It can be written as a sum of positive squares in 4 ways, for example, as 48804320889 + 53296801321 = 220917^2 + 230861^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318874 + ... + 553066.

Almost surely, 2^102101122210 is an apocalyptic number.

102101122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102101122210 is a deficient number, since it is larger than the sum of its proper divisors (81685898006).

102101122210 is a wasteful number, since it uses less digits than its factorization.

102101122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277797.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102101122210 its reverse (12221101201), we get a palindrome (114322223411).

The spelling of 102101122210 in words is "one hundred two billion, one hundred one million, one hundred twenty-two thousand, two hundred ten".