102101221010 has 16 divisors (see below), whose sum is σ = 184311835776. Its totient is φ = 40722791088.

The previous prime is 102101220989. The next prime is 102101221031. The reversal of 102101221010 is 10122101201.

It is an interprime number because it is at equal distance from previous prime (102101220989) and next prime (102101221031).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102101220982 and 102101221000.

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, 14708522 + ... + 14715461.

It is an arithmetic number, because the mean of its divisors is an integer number (11519489736).

Almost surely, 2^102101221010 is an apocalyptic number.

102101221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102101221010 is a deficient number, since it is larger than the sum of its proper divisors (82210614766).

102101221010 is a wasteful number, since it uses less digits than its factorization.

102101221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29424337.

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

Adding to 102101221010 its reverse (10122101201), we get a palindrome (112223322211).

The spelling of 102101221010 in words is "one hundred two billion, one hundred one million, two hundred twenty-one thousand, ten".