102220121202210 has 96 divisors (see below), whose sum is σ = 290031294316608. Its totient is φ = 24772271372160.

The previous prime is 102220121202191. The next prime is 102220121202223. The reversal of 102220121202210 is 12202121022201.

It is a happy number.

102220121202210 is a `hidden beast` number, since 10 + 2 + 220 + 1 + 21 + 202 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14490297 + ... + 20357036.

It is an arithmetic number, because the mean of its divisors is an integer number (3021159315798).

Almost surely, 2^{102220121202210} is an apocalyptic number.

102220121202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102220121202210 is an abundant number, since it is smaller than the sum of its proper divisors (187811173114398).

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

102220121202210 is a wasteful number, since it uses less digits than its factorization.

102220121202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34850320 (or 34850317 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102220121202210 its reverse (12202121022201), we get a palindrome (114422242224411).

The spelling of 102220121202210 in words is "one hundred two trillion, two hundred twenty billion, one hundred twenty-one million, two hundred two thousand, two hundred ten".