102110021211 has 32 divisors (see below), whose sum is σ = 152838432000. Its totient is φ = 60093636480.

The previous prime is 102110021183. The next prime is 102110021227. The reversal of 102110021211 is 112120011201.

It is not a de Polignac number, because 102110021211 - 2⁹ = 102110020699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102110021311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 539340 + ... + 703638.

It is an arithmetic number, because the mean of its divisors is an integer number (4776201000).

Almost surely, 2^102110021211 is an apocalyptic number.

102110021211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102110021211 is a deficient number, since it is larger than the sum of its proper divisors (50728410789).

102110021211 is a wasteful number, since it uses less digits than its factorization.

102110021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164859.

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

Adding to 102110021211 its reverse (112120011201), we get a palindrome (214230032412).

The spelling of 102110021211 in words is "one hundred two billion, one hundred ten million, twenty-one thousand, two hundred eleven".