102220100202220 has 192 divisors, whose sum is σ = 288226691536896. Its totient is φ = 29409070878720.

The previous prime is 102220100202203. The next prime is 102220100202251. The reversal of 102220100202220 is 22202001022201.

It is a junction number, because it is equal to n+sod(n) for n = 102220100202194 and 102220100202203.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 911915017 + ... + 912027103.

It is an arithmetic number, because the mean of its divisors is an integer number (1501180685088).

Almost surely, 2^{102220100202220} is an apocalyptic number.

102220100202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102220100202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144113345768448).

102220100202220 is an abundant number, since it is smaller than the sum of its proper divisors (186006591334676).

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

102220100202220 is a wasteful number, since it uses less digits than its factorization.

102220100202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157680 (or 157678 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102220100202220 its reverse (22202001022201), we get a palindrome (124422101224421).

The spelling of 102220100202220 in words is "one hundred two trillion, two hundred twenty billion, one hundred million, two hundred two thousand, two hundred twenty".