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1220112200971 is a prime number
BaseRepresentation
bin10001110000010100010…
…110101011010100001011
311022122022201100210000201
4101300110112223110023
5124442242210412341
62332302314513031
7154102342406326
oct21602426532413
94278281323021
101220112200971
114304a0590394
12178571135777
138b0962b8741
14430a76997bd
1521b1071b331
hex11c145ab50b

1220112200971 has 2 divisors, whose sum is σ = 1220112200972. Its totient is φ = 1220112200970.

The previous prime is 1220112200911. The next prime is 1220112201019. The reversal of 1220112200971 is 1790022110221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220112200971 - 27 = 1220112200843 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220112200911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610056100485 + 610056100486.

It is an arithmetic number, because the mean of its divisors is an integer number (610056100486).

Almost surely, 21220112200971 is an apocalyptic number.

1220112200971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220112200971 is an equidigital number, since it uses as much as digits as its factorization.

1220112200971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 1220112200971 in words is "one trillion, two hundred twenty billion, one hundred twelve million, two hundred thousand, nine hundred seventy-one".