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10021210200961 is a prime number
BaseRepresentation
bin1001000111010011111010…
…1011001001101110000001
31022111000111100222002200221
42101310332223021232001
52303141414302412321
633151402545143041
72053002634154011
oct221647653115601
938430440862627
1010021210200961
113213a759a6a23
12115a21702aa81
13578cc44897ab
1426905a03bc41
15125a1c061e41
hex91d3eac9b81

10021210200961 has 2 divisors, whose sum is σ = 10021210200962. Its totient is φ = 10021210200960.

The previous prime is 10021210200943. The next prime is 10021210201033. The reversal of 10021210200961 is 16900201212001.

It is a happy number.

10021210200961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6240203841600 + 3781006359361 = 2498040^2 + 1944481^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021210200961 - 217 = 10021210069889 is a prime.

It is a super-4 number, since 4×100212102009614 (a number of 53 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (10021210200361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010605100480 + 5010605100481.

It is an arithmetic number, because the mean of its divisors is an integer number (5010605100481).

Almost surely, 210021210200961 is an apocalyptic number.

It is an amenable number.

10021210200961 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021210200961 is an equidigital number, since it uses as much as digits as its factorization.

10021210200961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 10021210200961 its reverse (16900201212001), we get a palindrome (26921411412962).

The spelling of 10021210200961 in words is "ten trillion, twenty-one billion, two hundred ten million, two hundred thousand, nine hundred sixty-one".