102210101220220 has 48 divisors (see below), whose sum is σ = 245309163761088. Its totient is φ = 35042760299520.

The previous prime is 102210101220163. The next prime is 102210101220247. The reversal of 102210101220220 is 22022101012201.

It is a happy number.

It is a super-3 number, since 3×102210101220220³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102210101220194 and 102210101220203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294717 + ... + 14300596.

It is an arithmetic number, because the mean of its divisors is an integer number (5110607578356).

Almost surely, 2^{102210101220220} is an apocalyptic number.

102210101220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102210101220220 is an abundant number, since it is smaller than the sum of its proper divisors (143099062540868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102210101220220 is a wasteful number, since it uses less digits than its factorization.

102210101220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14645350 (or 14645348 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102210101220220 its reverse (22022101012201), we get a palindrome (124232202232421).

The spelling of 102210101220220 in words is "one hundred two trillion, two hundred ten billion, one hundred one million, two hundred twenty thousand, two hundred twenty".