102212121021110 has 32 divisors (see below), whose sum is σ = 186081581659680. Its totient is φ = 40418394979072.

The previous prime is 102212121021083. The next prime is 102212121021113. The reversal of 102212121021110 is 11120121212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212121021113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4956044 + ... + 15132303.

It is an arithmetic number, because the mean of its divisors is an integer number (5815049426865).

Almost surely, 2^{102212121021110} is an apocalyptic number.

102212121021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102212121021110 is a deficient number, since it is larger than the sum of its proper divisors (83869460638570).

102212121021110 is a wasteful number, since it uses less digits than its factorization.

102212121021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20094160.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102212121021110 its reverse (11120121212201), we get a palindrome (113332242233311).

The spelling of 102212121021110 in words is "one hundred two trillion, two hundred twelve billion, one hundred twenty-one million, twenty-one thousand, one hundred ten".