102000221112220 has 96 divisors (see below), whose sum is σ = 217475544384000. Its totient is φ = 40180889616384.

The previous prime is 102000221112103. The next prime is 102000221112227. The reversal of 102000221112220 is 22211122000201.

It is a happy number.

It is a super-2 number, since 2×102000221112220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102000221112194 and 102000221112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000221112227) 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, 327873306 + ... + 328184254.

It is an arithmetic number, because the mean of its divisors is an integer number (2265370254000).

Almost surely, 2^{102000221112220} is an apocalyptic number.

102000221112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102000221112220 is an abundant number, since it is smaller than the sum of its proper divisors (115475323271780).

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

102000221112220 is a wasteful number, since it uses less digits than its factorization.

102000221112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311887 (or 311885 counting only the distinct ones).

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

Adding to 102000221112220 its reverse (22211122000201), we get a palindrome (124211343112421).

The spelling of 102000221112220 in words is "one hundred two trillion, two hundred twenty-one million, one hundred twelve thousand, two hundred twenty".