10102212201220 has 12 divisors (see below), whose sum is σ = 21214645622604. Its totient is φ = 4040884880480.

The previous prime is 10102212201173. The next prime is 10102212201239. The reversal of 10102212201220 is 2210221220101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5902606302784 + 4199605898436 = 2429528^2 + 2049294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10102212201194 and 10102212201203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252555305011 + ... + 252555305050.

It is an arithmetic number, because the mean of its divisors is an integer number (1767887135217).

Almost surely, 2^{10102212201220} is an apocalyptic number.

10102212201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102212201220 is an abundant number, since it is smaller than the sum of its proper divisors (11112433421384).

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

10102212201220 is a wasteful number, since it uses less digits than its factorization.

10102212201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505110610070 (or 505110610068 counting only the distinct ones).

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

Adding to 10102212201220 its reverse (2210221220101), we get a palindrome (12312433421321).

The spelling of 10102212201220 in words is "ten trillion, one hundred two billion, two hundred twelve million, two hundred one thousand, two hundred twenty".