10220021222212 has 6 divisors (see below), whose sum is σ = 17885037138878. Its totient is φ = 5110010611104.

The previous prime is 10220021222083. The next prime is 10220021222227. The reversal of 10220021222212 is 21222212002201.

It can be written as a sum of positive squares in only one way, i.e., 10007441210116 + 212580012096 = 3163454^2 + 461064^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10220021222212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277502652773 + ... + 1277502652780.

Almost surely, 2^{10220021222212} is an apocalyptic number.

It is an amenable number.

10220021222212 is a deficient number, since it is larger than the sum of its proper divisors (7665015916666).

10220021222212 is a wasteful number, since it uses less digits than its factorization.

10220021222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555005305557 (or 2555005305555 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10220021222212 its reverse (21222212002201), we get a palindrome (31442233224413).

The spelling of 10220021222212 in words is "ten trillion, two hundred twenty billion, twenty-one million, two hundred twenty-two thousand, two hundred twelve".